A sample of manufactured items will be selected from a large population in which 8 percent of the items are defective. of the following, which is the least value for a sample size that will allow for the sampling distribution of the sample proportion to be assumed approximately normal?

Answers

Answer 1

The sample size required should be at least of size 30.

According to the Central limit theorem, if from an unknown population large samples of sizes n ≥ 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

 \mu_{\hat p}=pμp^=p

The standard deviation of this sampling distribution of sample proportion is:

\sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}σp^=np(1−p)

Here it is provided that  manufactured items are selected from a large population in which 8% of the items are defective.

That is, the proportion of defective items is, p = 0.08.

For the sampling distribution of the sample proportion of defective items to be normally distributed the least sample size required is 30.

Thus, the sample size required should be at least of size 30.


Related Questions

If christopher is on a 30-day billing cycle, what will his new beginning balance be after december? a. $509.91 b. $349.61 c. $353.44 d. $513.74

Answers

$513.74 will be the new beginning balance after December which is denoted as option D.

What is Balance?

This is defined as the difference between the sum of the debit and credit entries in a financial period.

Balance on the card = Opening balance + Purchases - Payments

= 424.86 + 78.10 + 27.97 + 8.16 + 46.07 - 55.25 - 20

= $509.91

Opening balance in a 30-day billing cycle becomes:

= 509.91 x (1 + 13.13%/365 days x 30 days)

= $513.74

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Dr. roberts conducts a study in which one group of participants counts the number of syllables in each member of a list of twenty words, and the second group creates stories from the same set of words. when later asked to write down as many of the previously seen words as possible, the second group of participants recalls more words than the first group. this study shows the importance of the pragmatics of language the pragmatics of language semantic encoding semantic encoding maintenance rehearsal maintenance rehearsal convergent thinking convergent thinking shallow processing

Answers

semantic encoding

siuuu

After a special medicine is introduced into a petri dish

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After a special medicine is introduced into a petri dish containing a bacterial culture, the number of bacteria remaining in the dish decreases rapidly. The bacterial culture loses 25% of its size every 14 seconds,
Your welcome

Cooking the perfect pizza at home can be quite a challenge brainly

Answers

You just need to take a torch to it

Answer:

It's easy.

Explanation: All you have to do is put gasoline and achool on it. Then light a match and throw it on the pizza.

........ Works every time for me.

Which part of the triangular trade system represents

Answers

started in Great Britain

British traded goods for slaves from West Africa

then Caribbean to leave the slaves and pick up

tradeable goods to send back to Great Britain

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The average height of sunflowers in a field is 64 in

Answers

This is from https://www.jiskha.com/questions/1578462/a-the-average-height-of-sunflowers-in-a-field-is-64-inches-with-a-standard-deviation-of

Answer:

a) The graph of a normal curve with a mean of 64" and a standard deviation of 3.5" is a bell-shaped curve with its

maximum value at x = 64.

Important points:

mean - 3 deviations: 64 - 3(3.5) = 64 - 10.5 = 53.5

mean - 2 deviations: 64 - 2(3.5) = 64 - 7 = 57

mean - 1 deviation: 64 - 3.5 = 60.5

mean: = 64

mean + 1 deviation: 64 + 3.5 = 67.5

mean + 2 deviations: 64 + 2(3.5) = 64 + 7 = 71

mean + 3 deviations: 64 + 3(3.5) = 64 + 10.5 = 74.5

b) If there are 3000 plants, approximately how many will be taller than 71"?

71" is 2 standard deviations above the mean. The region between two standard deviations below the mean and two standard deviations holds approximately 95% of the plants.

Therefore there will be approximately 5% of the plants divided equally between being taller than two standard

deviations above the mean and being shorter than two standard deviations below the mean. Thus, there will be

approximately 2.5% of the plants taller than 71": 0.025 x 3000 = 75 plants.

Heterotrophs obtain energy from all of the following except

Answers

the answer is solar radiation.

Why does the time for 20 complete oscillations need to be taken

Answers

✏Answer ✏

The short answer is to reduce the uncertainty in your measurement of the period. ... If you are using a stopwatch and manual timing- then your uncertainty in timing an interval is likeley to be about say 0.2 s . If the period of the pendulum is about 1 second then 0.2 s uncertainty corresponds to about 20% .

Explanation:

# Brainliest Bunch

Give (in order) the correct coefficients to balance the following reaction: h2sncl6 + h2s → sns2 + hcl

Answers

Let a, b, c, and d be coefficients in the balanced reaction,

a H₂SnCl₆ + b H₂S   →   c SnS₂ + d HCl

Count the atoms on both sides and set the amounts equal to each other:

• H : 2a + 2b = d

• Sn : a = c

• Cl : 6a = d

• S : b = 2c

Suppose a = 1. Then

6a = d   ⇒   d = 6

2a + 2b = d   ⇒   b = (d - 2a)/2 = 2

b = 2c   ⇒   c = b/2 = 1


So, the balanced reaction is

1 H₂SnCl₆ + 2 H₂S   →   1 SnS₂ + 6 HCl

The correct coefficients in order to balance the reaction is 1, 2, 1, 6

How to determine the correct coefficients to balance the equation?

To obtain the correct coefficients in order to balance the reaction, we shall obtain the balance equation. This is shown below:

H₂SnCl₆ + H₂S → SnS₂ + HCl

There are 2 atoms of S on the right side and 1 atom on the left side. It can be balanced by writing 2 before H₂S as shown below:

H₂SnCl₆ + 2H₂S → SnS₂ + HCl

There are 6 atoms of Cl on the left side and 1 atom on the right side. It can be balanced by writing 6 before HCl as shown below:

H₂SnCl₆ + 2H₂S → SnS₂ + 6HCl

Now, the equation is balanced. Thus, the correct coefficients needed to balance the reaction is 1, 2, 1, 6

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Assume that louisa carried an average balance of $1,000 from her credit card purchases over the past year. the a.p.r. on her credit card for the past year was 19.99%. approximately how much interest would louisa have paid over the course of the year?

Answers

The approximate amount of interest that louisa would have paid over the course of the year is; $200.

How to Calculate Simple Interest?

The amount of interest accrued in simple interest is given by the formula:

E = P*i*t

Where;

P is the balance.

i is the interest rate.

t is the time.

We are given;

Balance; P = $1,000, hence

APR of 19.99% and so i = 0.1999

time; t = 1 year.

Thus, the amount she will pay is:

E = 1000 * 0.1999 * 1

E = $199.9

Approximating to a whole number gives;

E = $200

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Which word from this excerpt could be used to argue that the narrator is unreliable? ""shaking"" suggests the narrator’s nervousness. ""struggle"" suggests the narrator’s weakness. ""indefinite"" suggests the narrator’s lack of knowledge. ""overpowered"" suggests the narrator’s lack of control.

Answers

Answer:

indefinite

Explanation:

ecause it unreliable

What is the value of x? 4 units 5 units 8 units 10 units

Answers

Answer:

The radius of sphere = 5 units

Explanation:

Answer:

5

Explanation:

trust

Which candidate will most likely get the job? samuel hayley rhonda enrique

Answers

Answer:

hayley

Explanation:

took test

Compare the perspectives of the narrator and her first employers regarding wages. what does this comparison reveal about how they view immigrant labor?

Answers

The comparison is that the narrator believes that wage is important for a job while the first employers believed that asking a question about wages was a sign of disrespect.

Who is a Narrator?

This refers to a person that tells a story or the events of action and their order of occurrence.

Hence, we can see what this reveals about how they view immigrant labor is that the narrator believes this would help her get freedom from oppression and poverty, while the first employers are of the opinion that immigrant labor is one that should be taken advantage of.

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A random sample of 20 students yielded a mean of x 72

Answers

Answer:

1440

Explanation:

If a 15 ohm resistor is connected in parallel with a 30 ohm resistor

Answers

Answer:

15

Explanation:

Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules. true false

Answers

The statement about Acids increasing the concentration of hydronium ions in solution is; True

What is the concentration of the solution?

In pure water and in neutral solutions, we know that the Hydroxonium ions [H₃O⁺] and Hydroxyl Ions [OH⁻] are equal. Therefore, [H₃O⁺] = [OH⁻] = 1 * 10⁻⁷.

However, that concentration can be altered by the addition of an acid or abase. Thus, If an acid is added to pure water the concentration of hydronium ions in the solution will increase.

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Answer:

True

Explanation:

I took the test and it was right.

Is this statement true or false? bob woodward and carl bernstein did not get the support of their newspaper, the washington post, and were fired for their investigative reporting. true false

Answers

Answer:

False

Explanation:

Answer:

false

Explanation:

i took the test

A high school drama club is putting on their annual theater production

Answers

Answer:

what

Explanation:

what is the question

What are the central ideas about the conspirators in this speech by brutus? check all that apply. they are sad about their bloody deed. they are joyful about their bloody deed. they threaten to harm antony. they had to kill caesar to save rome. antony does not understand the reasons for the assassination.

Answers

Answer:

1, 4, 5

Explanation:

They are sad about their bloody deed.

x

x

They had to kill Caesar to save Rome.

Antony does not understand the reasons for the assassination.

Based on this excerpt, what can be inferred about father paul’s feelings? he secretly feels frustrated that leon and the pueblo people hold on to their traditional beliefs. he hopes to convince the pueblo people to convert from their traditional beliefs to christianity. he is upset because he is unable to stand up to leon’s demands and manipulations. he is discouraged because leon does not view the holy water as a holy symbol.

Answers

Father Paul's secretly feels frustrated that Leon and the Pueblo people hold on to their traditional beliefs.

What is feelings?

Feelings serves as a generalized bodily consciousness which is a physical sense of any man.

Therefore, Based on this excerpt, The Man to Send Rain Clouds." we can see that Father Paul's wasn't feeling good about how Pueblo people can't let go of old belief.

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Answer:

b

Explanation:

took the test

Based on the audio, what is true about the animal in the audio? it flies when threatened. it is a farm animal. it is valued for its meat. it lives in prairies.

Answers

Answer:

it is valued for its meat

Explanation:

took the spanish test thing

Answer: it is valued for its meat

Explanation: I took the test and got 100%

A short, witty statement that typically offers a surprising or satirical perspective on a topic is called a(n) epigram. paradox. understatement. pun.

Answers

Answer:

epigram

Explanation:

A short, witty statement that typically offers a surprising or satirical perspective on a topic is called an epigram. Thus, option A is correct.

What is an epigram?

An epigram refers is a brief, interesting, memorable, and sometimes surprising or satirical statement. An epigram is a pithy saying or remark expressing an idea in a clever and amusing way.

An epigram is a succinct, engaging, memorable, and occasionally shocking or sarcastic statement. A clever and humorous way to express a thought is through a pithy saying or remark known as an epigram. This short clever sentence is called an epigram.

This is frequently seen in poetry but is also utilized in speeches, multimedia, and regular discussions. The statement typically contradicts itself or is paradoxical.

Therefore, Epigrams are typically shorter than other literary styles, which makes them easier for readers to remember.

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An organic disorder whose symptoms tend to develop gradually and worsen over time is __________.

Answers

Answer:
It should be cancer.

Explanation:

Caner typically has four stages, in which the symptoms become worse and worse as a person progresses through each stage. This is also an organic disorder/disease that most times leads to death.

Feel free to correct me, I hope this helped! :)

As noted in the illustration, homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes? a) large, strong jaw and teeth b) smaller brain cavity; heavy jaw c) stooped posture with longer arms d) larger brain cavity; smaller teeth

Answers

The anatomical changes that we would expect to see in the given illustration is; D: larger brain cavity; smaller teeth

What are anatomical changes?

From the given question, we see that  homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons.

Now, this specie had lower jaw with all the teeth and so were human like. The massive jaw was ape-like. He used tools and fire. The cranial capacity is believed to be about 1300 cc which is intermediate between pithecanthropines and nearnderthals.  

Thus, we can conclude that the anatomical changes we expect to see are larger brain cavity; smaller teeth.

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What moves toward the east during el niño? warm water cold water slow currents fast currents

Answers

Answer:

El Nino is a climate change pattern that describes the unusual warming of the water of the Pacific Ocean. The atmospheric pressure above the water decreases. The warm water increases the temperature of the wind. The warm wind moves towards the East Equator.

Explanation:

Answer:

a

Explanation:

warm water

Eloise, the director of human resources at her organization, is working to determine its human resource needs for the next five years. eloise’s first course of action is

Answers

Eloise as the director of human resources in her first course of action is assessing the future labor supply.

What is assessing future supply?

The act of forecasting supply of human resource that one needs is said to be looking at all internal and external supply of labor that a rim needs.

Note that by looking and assessing the future labor supply, Eloise, can see the next time to take so as to determine its human resource needs for the next five years.

See options below

Assessing the future labor supply

planning in a five process

speaking with managers within the firm

preparing job descriptors

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Which one of these actions isn't a valid way to update the status of a lead?

Answers

The action that isn't a valid way to update the status of a lead is; In any list, click "Shuffle" to change up every record's status.

How do I update the lead status?

When we want to update a lead from a list view such as types found in Salesforce, One will need to select the leads required to be edited, then double-click the specified field value, then make the change that is required.

It should be noted that action that is not a valid way to update the status of a lead and as such the wrong option is; In any list, click "Shuffle" to change up every record's status. This is wrong.

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What is the purpose of the turbines in coal-fired power plants brainly

Answers

Answer:

The role of steam turbines in a coal-fired power plant is to convert the energy from the hot steam generated by the boiler into rotation energy over several stages.

A laser beam is to be directed through a small hole in the center of a circle of radius feet. the origin of the beam is feet from the circle. at what angle of elevation should the beam be aimed to ensure that it goes through the​ hole?

Answers

Based on the radius of the circle and the origin of the beam, the angle of elevation to ensure that the beam goes through the hole is 15.95°.

What angle of velocity is needed for beam accuracy?

The best operation to use would be the Tangent as the angle we are looking for is adjacent to the circle.

Solving gives:

tan (angle) = Radius of hole / Distance of beam

Angle = tan ⁻¹ (Radius of hole / Distance of beam)

= tan⁻¹ (10 / 35)

= 15.95°

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