g Suppose that you randomly selected 20 adults. If 18% of the population smoke, a) Using the Range Rule of Thumb, what is the minimum number of usual smokers we can expect to get out of 20 adults

Answers

Answer 1

Answer:

0.16

Step-by-step explanation:

The computation of the minimum no of usual smokers expected to get out of 20 adults is shown below:

Here the standard deviation is

[tex]= \sqrt{npq} \\\\= \sqrt{20\times 0.18 \times (1 - 0.18)}\\\\= \sqrt{20\times 0.18\times 0.82}\\\\= \sqrt{2.952}[/tex]

= 1.72

Now the minimum no of smokers is

[tex]= np - 2\times 1.72\\= 20 \times 0.18 - 3.44\\\\= 0.16[/tex]


Related Questions

Pls help me pls pls pls I’ll make brainliest

Answers

Answer:

Alr what do you need help with

An online furniture store sells chairs for $200 each and tables for $600 each. Every
day, the store can ship a maximum of 32 pieces of furniture and must sell no less than
$12000 worth of chairs and tables. If 13 chairs were sold, determine the minimum
number of tables that the the store must sell in order to meet the requirements. If
there are no possible solutions, submit an empty answer.

Answers

Answer:

Step-by-step explanation:

Answer:

If the minimum 13 chair were sold , then the minimum number of Table sold is 14

Step-by-step explanation:

Given as :

The cost of each chair = $ 200

The cost of each table = $ 600

The total number of furniture sold per day = 32

The minimum amount of selling per day = $ 12000

Let the total number of chair = C

The total number of table = T

So , according to question

C + T = 32         .......1

200 C + 600 T = 12000         .......2

Solving eq 1 and 2

200 C + 600 T = 12000

200 × ( C + T ) = 32 × 200

I.e 200 C + 200 T = 6400

or, ( 200 C + 600 T ) - ( 200 C + 200 T ) = 12,000 - 6400

Or, 400 T =  5600

∴  T =

I.e T = 14

Put The value of T in eq 2

So, 200 C + 600 × 14 = 12000

or , 200 C + 8400 = 12,000

Or, 200 C = 12000 - 8400

Or, 200 C = 3600

∴   C =

I.e C = 18

The number of chair sold is 18

If the number of chair sold is 13 ,

Then the min number of table sold = 200 × 18 + 600 T = 12000

i.e 600 T = 12000 - 3600

or, 600 T = 8400

∴   T =

I.e T = 14

Hence if the minimum 13 chair were sold , then the minimum number of Table sold is 14 . Answer

evaluate 4g-12 when g= 5

Answers

4(5) or 4x5=20

20-12=8 so the answer is 8

An experiment consists of first rolling a die and then tossing a coin. (a) List the sample space. {(3, H), (4, H)} {(1, T), (2, T), (3, T), (4, T), (5, T), (6, T)} {(1, H), (1, T), (2, H), (2, T), (3, H), (3, T), (4, H), (4, T), (5, H), (5, T), (6, H), (6, T)} {(3, H), (3, T), (4, H), (4, T)} {(1, H), (2, H), (3, H), (4, H), (5, H), (6, H)} (b) Let A be the event that either a three or a four is rolled first, followed by landing a head on the coin toss. Find P(A). (Enter your probability as a fraction.)

Answers

Answer:

(a)

[tex]S = \{(1,H),(2,H),(3,H),(4,H),(5,H),(6,H),(1,T),(2,T),(3,T),(4,T),(5,T),(6,T)\}[/tex]

(b)

[tex]P(A) = \frac{1}{6}[/tex]

Step-by-step explanation:

Given

The above sample space

A = Event of an occurrence of 3 or 4 then a head

(a): List out the sample space:

The rolls of the dice come first, followed by the toss of the coin.

So, the sample space are:

[tex]S = \{(1,H),(2,H),(3,H),(4,H),(5,H),(6,H),(1,T),(2,T),(3,T),(4,T),(5,T),(6,T)\}[/tex]

The number of the sample space is:

[tex]n(S) = 12[/tex]

(b): Find P(A)

First, we list out the outcomes of event A

[tex]A = \{(3,H),(4,H)\}[/tex]

The number of outcome is:

[tex]n(A) = 2[/tex]

The probability of A is then calculated as:

[tex]P(A) = \frac{n(A)}{n(S)}[/tex]

[tex]P(A) = \frac{2}{12}[/tex]

Simplify fraction

[tex]P(A) = \frac{1}{6}[/tex]

2) Malik organises an event at the hotel. There will be 80 guests at the event. A
Dj will be hired for 5 hours.
Malik uses this formula to find the total cost of the event.
C=1.215SG + 72.99H)
C= total cost of the event (£)
G = number of guests
H= numberof hours a DJ is hired for
Work out the total cost of the event
Show a check of your working.

Answers

Free points btw sorry bro

find sin θ and cos θ if tan θ= 1/4 and sin 0>0.

Answers

Answer:

[tex]\displaystyle \sin(\theta)= \frac{\sqrt{17}}{17}[/tex]

[tex]\displaystyle \cos(\theta)= \frac{4 \sqrt {17} }{ 17 }[/tex]

Step-by-step explanation:

We want to find sin(θ) and cos(θ) given that tan(θ) = 1/4 and sin(θ) > 0.

First, since tan(θ) and sin(θ) are both positive, cos(θ) must be positive as well.

Recall that tangent is the ratio of the opposite side to the adjacent side.

Therefore, the hypotenuse is:

[tex]h=\sqrt{4^2+1^2}=\sqrt{16+1}=\sqrt{17}[/tex]

So, with respect to θ, the opposite side is 1, the adjacent is 4, and the hypotenuse is √17.

Then it follows that:

[tex]\displaystyle \sin(\theta)=\frac{1}{\sqrt{17}} = \frac{\sqrt{17}}{17}[/tex]

And that:

[tex]\displaystyle \cos(\theta)= \frac{4}{\sqrt{17}} = \frac{4 \sqrt {17} }{ 17 }[/tex]

Which statement best describe jamies proof

Answers

he made his first mistake in step 5. He used the statement he was trying to prove as a reason.
hope that helps
I don’t understand this it makes no sense

how do you use unit multipliers ​

Answers

Answer:

A unit multiplier (or conversion factor) is a fraction with value 1 that we use to convert quantities. Because the value of every unit multiplier is 1, we can multiply any quantity by them, without changing their value. Principles behind the technique: ! We never change the value of a quantity if we multiply it by 1.

Step-by-step explanation:

hope this help:)

9 = 4t what is t please help me

Answers

Answer:

t=2.25

Step-by-step explanation:

9 divided by 4 is 2.25

and 4 x 2.25 is 9

Answer t = 9/4

Divide both sides of the equation by the same term

9 = 4t

9/4=9/4

Explain why this relationship is not proportional.

Answers

It is proportional because of the test

Lauren build a sandbox shaped like an octagon each side of the sandbox is the same like the perimeter of the sandbox is 18.8 ft how long is each side of the sandbox​

Answers

Answer:

   

Step-by-step explanation:

Answer:

6ft

Step-by-step explanation:

oof oof oof oof oof oof oof oof oof oof oof oof oof oof oof

The length of a rectangle is 6 inches longer than the width. If the perimeter of the rectangle is 96 ​inches, find the measures of the length and width.

Answers

Answer:

width = 21

Step-by-step explanation:

all the explanation is in the photo

Which ordered pair is the solution set for this system of equations?
x + y = 8
y = x - 3

Answers

Answer:

(11/2, 5/2)

Step-by-step explanation:

x+x-3=8

2x=11

x= 11/2

y= 11/2-3

y= 5/2

please help!!
(3x-4)(x+2)

Answers

Answer:

3x^2+2x-8 is the answer

Help meeee im so not smart

Answers

Answer:

5a⁶ x e⁷

Step-by-step explanation:

HELP PLEASE IM SO CONFUSED

Answers

Well, I don’t know for sure but I would say
C- 53* east of south for 5 miles

It seems to be on a 45 degree angle but slightly off and it’s going south east in direct so that my best guess,
Sorry if I’m wrong in advance

a) Expand and simplify (4x + 3)(2x - 5)

Answers

Answer:

8x² - 14x - 15

Step-by-step explanation:

(4x + 3)(2x - 5)

8x² - 20x + 6x - 15

8x² - 14x - 15

Answer:

Step-by-step explanation:

Use FOIL, first outside inside last.

4x*2x - 5*4x + 3*2x - 3*5

[tex]8x^2-20x+6x-15\\8x^2-14x-15\\[/tex]

Three-fourths of the students in Aaliyah's class belong to a social network. There are 15 students in her class that belong to a social network.​

Answers

There 20 students in her class

you have 40 oz of egg noodles. you need 5 oz to make one serving of chicken noodles soup. How many servings can you make?

Answers

Answer:

8

Step-by-step explanation:

Answer:

You can make 8 severvings. Makes me hungry rn

Step-by-step explanation:

40 divided by 5 gives the answer

Translate the following " Three times a number is at least that number plus 1"​

Answers

Answer:

3 x 2+1

Step-by-step explanation:

I think sorry kung mali

Answer:

[tex]3n \geq n + 1[/tex]

Step-by-step explanation:

3 times a number = 3n

is at least = greater than or equal to, so [tex]\geq[/tex]

that number plus 1 = n + 1

the same variable is used (n) because the number is supposed to be the same.

Put that all together and u get [tex]3n \geq n + 1[/tex]

hope this helps!

Name the marked angle in 2 different ways

Answers

Answer:

Obtuse angle

Step-by-step explanation:

Answer:

Its an obtuse angle pliz mark brainliest

Determine the length of side .qs
Question options:

A)

2.4

B)

3.4

C)

5.7

D)

1.9

Answers

Answer:

i don't know this i think its 3.4 or 1.9

Answer:

A) 2.4

Step-by-step explanation:

Which line best represents the line of best fit for this scatter plot? (5 points)

A) Line P
B) Line Q
C) Line R
D) Line S

Answers

line Q, you always want the line that has as many dots on it as possible!! :)

I need help on this ASAP please

Answers

Answer:

X= 1

(If correct please mark brainliest. :))

Step-by-step explanation:

Pls answer asap! It's due in 4 minutes!

Answers

Answer:

10

Step-by-step explanation:

HELP PLSS. WILL MARK BRILLIANTEST

Answers

Your answer is letter. House a

Answer: B

Step-by-step explanation:

Follow this link to view Juan’s work. Critique Juan’s work by justifying correct solutions and by explaining any errors he made. For any errors made, provide and explain a correct response. Be sure to explain each key aspect of the graph.

Answers

Hey I’m sorry I don’t actually know the answer to this I’m working on it rn but if u did find out the answer to this do u mind helping me. I’m sorry and thank uu. Like if there was a sample answer to that can u reply to me with it. I’m really struggling here any help would be greatly appreciated

Answer please????????????????????????

Answers

Answer:

(-3,-1) -> (3,1)

Step-by-step explanation:

Reflection over the y-axis:

When we reflect a point (x,y) over the y-axis, it's y-coordinate is kept, while the x-coordinate changes signal. So

(3,-1) -> (-3,-1)

Clockwise rotation of 180º

Both coordinates of the point change signals. So

(-3,-1) -> (3,1)

each rectangular table requires 64 square feet how many rectangular tables will fit in 800 square feet​

Answers

Answer:

18000

Step-by-step explanation:

• Yogi is planning a concert for his animal friends. He arranges his chairs and if he makes 8 rows he was
3 chairs short. If he has 6 rows he has 17 chairs left over. How many chairs does Yogi have?

Answers

Answer: Yogi has 59 chairs.

Step-by-step explanation: For the question, it's a lot of guess an check. 10 is a good place to start. Times 10 by 8 and add 3. Then times 6 by 10 and add 17. Does it equal the same number? No. Is it close? Yes. So maybe try going up a few numbers or down a few. You'll eventually get 7 which when you multiple 7 by 8 and add 3 and multiple 6 by 10 and add 17, you'll get 59.

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