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yarga [219]
3 years ago
7

PLEASE HELP ME I WILL MARK YOU BRAINLIEST FOR THIS ANY ANSWERS!!!)Mr. Perez designs a probability model to help him predict whic

h color car his customers will want to buy. He puts red, black,grey, and blue slips of paper into a bag to represent all the different possible car colors.
Select True or False for each sentence
A. Mr. Perez is using a uniform probability model TRUE OR FALSE
B. Mr. Perez is more likely to pull a red slip than a blue slip TRUE OR FALSE
C. Adding another white slip would make this a non-uniform probability model TRUE OR FALSE
D. Mr. Perez will most likely not pull any black slips TRUE OR FALSE
E. The results of Mr. Perez's experiment is likely to exactly match the frequency with which his customers select each color of car. TRUE OR FALSE
Mathematics
2 answers:
Nesterboy [21]3 years ago
6 0

Answer:

Number A. is True. B. is False. C. is IDK D. is False. E. is true.

Step-by-step explanation:

If you read it you can tell plus I broke it down and solved it on paper.

Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

I know A. is true B. is False C. I believe is true. D. is false E. is True

Step-by-step explanation:

I read the passage and I did a probability equation on paper.

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NEEED HELPppppppppppp<br> PLSSSSS
Sunny_sXe [5.5K]

Answer:

probably the furthest graph to the left.

Step-by-step explanation:

seems like a 25% 10% split.

7 0
2 years ago
Given that D(x) = 2x, select all of the following that are true statements
Keith_Richards [23]

Answer:

D(x) is a function

D(x) is a direct variation

D(x) is a rule for the set of points (5.10). (6, 12) and (-2,-4)

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

In this problem

D(x)=2x

D(x) is a direct variation (linear function)

The variable x is the independent variable or input value

The variable D(x) is the dependent variable or output value

<u><em>Verify each statement</em></u>

case 1) D(x) is a function

The statement is true

see the explanation

case 2) x is the dependent variable

The statement is false

The variable x is the independent variable or input value

case 3) D(x) is a direct variation

The statement is true

see the explanation

case 4) D(x) is a rule for the set of points (5.10). (6, 12) and (-2,-4)

The statement is true

Because

For x=5

substitute in the linear equation

D(x)=2(5)=10 ---> is ok

For x=6

substitute in the linear equation

D(x)=2(6)=12 ---> is ok

For x=-2

substitute in the linear equation

D(x)=2(-2)=-4 ---> is ok

6 0
4 years ago
The measure of ZBNL IS 33°. What is the measure of 2UND? B R D 23 5778 0888​
olga55 [171]

Answer:

Hi how are you doing today Jasmine

6 0
3 years ago
Cos2a= 2cos^2a-1 for all values of a<br><br> true or false?
Law Incorporation [45]
True
<span>Cos(A+B)=CosACosB-SinASinB
therefore Cos(A+A)= CosACosA - SinASinA
= Cos^2A - Sin^2A</span>
5 0
4 years ago
Read 2 more answers
What method would you choose to solve the equation 2x^2-7=9
Margaret [11]
Here is one way to solve for x.

Step 1)  2x^2-7=9

Step 2)  2x^2-7+7=9+7

Step 3)  2x^2=16

Step 4)  (2x^2)/2=16/2

Step 5)  x^2=8

Step 6)  sqrt(x^2)=sqrt(8)

Step 7)  |x|=sqrt(8)

Step 8)  x=sqrt(8) or x=-sqrt(8)

-------------------------------------

Below are explanations/reasons to each of the steps above.

Step 1) Original equation

Step 2) Add 7 to both sides

Step 3) Combine like terms

Step 4) Divide both sides by 2

Step 5) Simplify

Step 6) Apply the square root to both sides. The notation "sqrt" is shorthand for "square root"

Step 7) Use the rule that sqrt(x^2) = |x| for all real numbers x

Step 8) Use the rule that if |x| = k then x = k or x = -k for some fixed number k.

-------------------------------------

The two solutions are
x = sqrt(8) or x = -sqrt(8)

3 0
4 years ago
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