can someone help me with this? PROBABILITY QUESTION

A psychologist plans an experiment in which subjects draw an object based on a verbal description. For each trial, one person draws, one reads the description, and one records how long it takes to get a successful drawing.

From a group of 8 people, in how many ways can the psychologist select a person to draw, a person to read, and a person to record time?

Answers

Answer 1

Answer:

336

Step-by-step explanation:

just took the test

Answer 2

The correct answer is 336.

How many ways can the psychologist select a person to draw, a person to read, and a person to record time?

By using the arrangement calculation formula:

⇒ [tex]A^{3}[/tex][tex]^{8}[/tex]  

⇒ 8 × 7 × 6

⇒ 336

The correct answer is 336.

How do you calculate an arrangement?

Remember that combinations are a way to calculate the total outcomes of an event where the order of the outcomes does not matter. To calculate combinations, we will use the formula NCR = n! / r! * (n - r)!, where n represents the number of items, and r represents the number of items being chosen at a time.

Learn more about arrangement calculation formula here: brainly.com/question/251701

#SPJ2


Related Questions

You and your friends are going to the annual Boatnik Fair to play games and ride the rides. You are going there with $20, which is unfortunately not enough for a wristband. If every carnival-style game costs $3, and every ride costs $2, how many rides can you go on if you want to play 4 carnival games? What about if you play just 2 carnival games?

Answers

4 rides first answer
7 rides second

I need so much help ☹️

Answers

Answer:

666mm

Step-by-step explanation:

A= 1/2 Base x Height .    For triangle

A= 1/2 (10)(12)

A=1/2 (120)

A=60 .        One triangle is 60, so 2 triangles are 120 mm

Rectangle

A= BxH

A=(14)(13)

A=182mm              But since there are 3 triangles you multiply 182 times 3

(182x3)+120

=666

Area of the figure is 666mm

Owen asked 10 classmates how many text messages they each send per day. The results are in the list below. 0,5, 39, 29, 0, 30, 14, 23, 25, 22 Click within the graph area to create a histogram for the number of text messages Owen's classmates each send per day. Owen's Survey 5 4 Frequency 1 0-9 10-19 20-29 30-39 Number of Text Messages​

Answers

Step-by-step explanation:

0,0,5= 0-9 (3)

14= 10-19 (1)

29,23,25,22= 20-29 (4)

39,30= 30-39 (2)

Hope this helps :)

Simplify: 14 - ³√216

Answers

Answer:

8

Step-by-step explanation:

Simplify the expression.

To the nearest hundreth, what is the length of line segment AB?
1.) 2.45

2.) 2.16

3.) 7.75

4.) 8.25​

Answers

Answer:

option (4)

Step-by-step explanation:

Calculate the length using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = A(2, 2) and (x₂, y₂ ) = B(- 6, 4)

AB = [tex]\sqrt{(-6-2)^2+(4-2)^2}[/tex]

      = [tex]\sqrt{(-8)^2+2^2}[/tex]

      = [tex]\sqrt{64+4}[/tex]

      = [tex]\sqrt{68}[/tex]

       ≈ 8.25 ( to 2 dec. places )

The answer is BBB Bb

please help if you want points and happy ramadan if you celebrate it

Answers

Answer:

1. yes

2.no

3.yes

4. no

hope this helps I'm not sure about number 2 tho

Solve (x+1)^2 = –5.

A)
x = ±1.75

B)
x = ±5

C)
No real solution

D)
x = ±1

Answers

hi

In R, there is no solution  to the  equation  X² = - ...  

so correct answer is  C

is 2/10 equivalent to 20/100

Answers

Answer:

Yes it is

Step-by-step explanation:

You know it is equal because 2/10 is equal to .20 or .2

Answer:

I’m sure they are both equivalent to 1/5

Step-by-step explanation:

Oliver found a list of the number of roller coasters at each amusement park in the state. ​11, 17, 28, 17, 40, 44, 19, 45, 49, 31 What is the median?

Answers

the median to your question is 29.5

Answer:

29.5

Step-by-step explanation:

Order from least to greatest

11, 17, 17, 19, 28, 31, 40, 44, 45, 49

Then find the middle number which is 28 and 31 so add the two numbers

28 + 31 = 59

then

59 divided by 2 = 29.5

Sofia's batting average is 0.022 higher than Joud's batting average. Joud has a batting average of 0.169.

Answers

Answer:

0.191

Step-by-step:

0.022 + 0.169 = 0.191.

A pizza pan is removed at 9:00 PM from an oven whose temperature is fixed at 425°F in a room that is constant 74°F. After 5 minutes, the pizza pan is at 300 °F



A) at what time is the temperature of the pan 130°F ?


B) determine the time that needs to elapse before the pan is 180°

Answers

Answer:

9:11:48 p.m

9.8 minutes

Step-by-step explanation:

We Obtian the slope of the relation :

Slope = Rise / Run

(0, 425) ; (5, 300)

x2 = 0 ; y2 = 425 ; x1 = 5 ; y1 = 300

(425 - 300) / (0 - 5)

125 / - 5

= - 25

The intercept :

y = mx + c

425 = - 25(0) + c

425 = 0 + c

c = 425

The equation becomes :

y = - 25x + 425

Temperature at 130

130 = - 25x + 425

130 - 425 = - 25x

-295 = - 25x

x = 11.8

9:00 + 11.8 = 9:11:48 p.m

B.)

180 = - 25x + 425

180 - 425 = - 25x

-245 = - 25x

x = 9.8 minutes

In Figure 3, F k is equal in magnitude but opposite in direction to the kinetic force of friction.


TrueFalse


no random links to random files pls!!!

Answers

Answer:

True

Step-by-step explanation:

The answer is true!!!!!!!!

Help asap plsss.......

Answers

Answer:

negative 5 degrees Celsius

"Use the Pyhthagorean Theorem to find the missing side of the right triangle" Please help!

Answers

Answer:

9

Step-by-step explanation:

a^2 + b^2 = c^2

a^2 + 40^2 = 41^2

a^2 + 1600 = 1681

a^2 = 1681 - 1600

a^2 = 81

a = 9

The volume of a cylinder is 980 in cubed.
The height of the cylinder is 20 in. What is the radius of the cylinder?
Express your answer to the nearest hundredth.​

Answers

9514 1404 393

Answer:

  3.95 in

Step-by-step explanation:

The volume is given by ...

  V = πr²h

Solving for radius, we get ...

  r = √(V/(πh))

For the given numbers, the radius is ...

  r = √(980 in³/(π·20 in)) = 7/√π in ≈ 3.95 in

The radius of the cylinder is about 3.95 inches.

. Visually compare the dot plot of heights of field hockey players to the dot plots for softball and basketball players. Shape: Center: Spread:

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

Using visual comparison :

SHAPE :

Both plots are fairly left skewed as their peaks are more shifted to the right and tails to the left of the distribution.

The centre :

Both softball and basketball plots are centered around the median of the distribution. With softball having a centre (median value) of 5'4'' and basketball has a value of 5'8''.

Spread :

The softball plot spread from 4'9'' through 5'6''

While basketball spreads from 5'2'' through 6'0''

PLS HELPPPP!!!!!! I GIVE BRAINLEST

Answers

Answer:

[tex]12 \times 4 = 48 \\ 8 \times 6 = 48[/tex]

=> These 2 multiplication facts are equal to 48.

Please Help ASAP 20pts
A triangle has an area of 40 cm². The base and height are scaled by a factor of 4. The area of the resulting triangle is ___ square cm.

Answers

Answer:

640 cm ^2

Step-by-step explanation:

40x4x4 = 640

let's say b = 20 and h = 4

1/2(20)(4) = 40

scale by 4

b= 80 h = 16

1/2(80)(16) = 640

In OPQ, O = 10 cm, p=67 cm and angle Q=24^ . Find angle P , to the nearest degree.

Answers

152Answer:

Step-by-step explanation:


MARKED AS BRAINLIEST:)

Answers

Answer:

49/5

Step-by-step explanation:

x+x+x+x+x+30=79

5x+30=79

5x=49

x=49/5

In ΔIJK, the measure of ∠K=90°, the measure of ∠I=41°, and IJ = 2 feet. Find the length of KI to the nearest tenth of a foot.

Answers

Answer:

7.5 feet

Step-by-step explanation:

Hope it helps(:

 please help me ahhh im doing 8th grade math with pythagorean theorem

Answers

I think it isnt a right triangle, but im sorry if thats wrong

Step-by-step explanation:

The pythagorean theorem is the sum of the two legs squares equal the hypotenuse squared.

The hypotenuse is the longest side so 3.5 is our hypotenuse.

Apply formula to see of true.

[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]

[tex] {2.5}^{2} + {3}^{2} = {3.5}^{2} [/tex]

[tex]6.25 + 9 = (3.5 {}^{2}) {?} [/tex]

[tex]15.25 = 12.25 {?}[/tex]

So it isn't a triangle since they aren't equal

what is the equation of the given line ( 1,5) and (3,5)
A.)Y=5

B.)X=3

C.)Y=3

D.)X=1

Answers

Answer:

A) y = 5

Step-by-step explanation:

Points: (1, 5) and (3, 5)

Slope:

m=(y2-y1)/(x2-x1)

m=(5-5)/(3-1)

m=0/2

m = 0

Since 0 is the slope, that means there's no slope.

y - y1 = m(x - x1)

y - 5 = 0(x - 1)

y - 5 = 0

y = 5

A ______ is a comparison of two quantities. ratios can be a part-to-part,part-to- _______, or whole -to- __________ comparisons. ratios can be written with the word _____, with a _______, or as a ___________.​

Answers

Answer:

ratio

part-to-whole

whole-to-whole

with the word to

with a colon

or as a fraction

Step-by-step explanation:

Help me with this question​

Answers

Answer:

B is the answer

Step-by-step explanation:

Is that all the questions you need help with

Can you solve the equation “15b=60”

Answers

Answer:

Step-by-step explanation:

yes, you can it is b=4

The answer is b = 4 hope this helps !

Order these numbers from least to greatest.
1.401, 1.2011, 1.2, 1.41

Answers

Answer:

From least to greatest, the correct order is 1.2, 1.2011, 1.401, and 1.41.

Step-by-step explanation:

The correct order is 1.2 , 1.2011 , 1.401 , 1.41

What is the length of RS?

Answers

12........................

One angle of a triangle measures 95° the other two angles are in a ratio of 7:10 what are the measures of those two angles

Answers

Answer:

35 degrees and 50 degrees

Step-by-step explanation:

The sum of all the angles in a triangle must be 180 degrees. So 180 - 95 = 85 leftover for the other two angles. Since we have a ratio of 7:10, we can add that up to get 17 total pieces of that 85-degree angle. 85 / 17 = 5, so each piece is 5 degrees. Therefore, the other two angles are 7*5 = 35 degrees and 10*5 = 50 degrees.

I don't understand this my teacher is not texting me back

Answers

Answer:

Please find below. Fill in the table with the values of y given below.

Step-by-step explanation:

For question 5, you should substitute the different values of x into the equation y =x^2 +4

So, when

x = -3, y = (-3)^2 +4 = 9+4 = 13

x = -2, y = (-2)^2 +4 = 4+4 = 8

x = -1, y = (-1)^2 + 4 = 1+4 = 5

x = 0, y = 0^2 + 4 = 4

x = 1, y = 1^2 +4 = 1+4 = 5

x = 2, y = 2^2 +4 = 8

x = 3, y = 3^2 + 4 = 13

x = 4, y = 4^2 + 4 = 20

For question 6, you need to find the nth term or a formula of y in terms of x.

For this, find the common difference between each of the consecutive values of y.

This is 5

So, the start if our equation is going to be ‘y = 5x’

Now, to find the ‘+c’ part, can be calculated by substituting the value of y when x = 1 into the y = 5x

So,

y = 5x + c

13 = 5 + c

Rearrange the find that c = 8

Therefore, the nth term formula = 5x + 8

Hope this helps

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