Suppose the random variable X has the uniform distirbution on [a, b]. Find expressions involving a and b for the expected valkue, variance, and standard deviation, of X. Check that your expressions when a=0 and b=10 addree with what you go in park c of part c of problem 5.

Mean = 5

Variance = 8.3521

Standard Deviation = 2.89

Step-by-step explanation:

X has the uniform distribution on [a, b]

[a, b] = [a, 10]

Mean is solved using (a + b)/2

Standard Deviation =

Standard Deviation =

Variance =

Variance =

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )