1) Every random variable has either a bell-shaped probability distribution or a uniform distribution.

Group of answer choices

True

False

2) Consider a random variable X with the distribution below (which has one value, q, missing). What is the value of q?

x	P(X=x)
4	0.1
8	0.2
10	q

3) Consider a random variable X with the distribution below (which has one value, q, missing). What is E(X)?

x	P(X=x)
3	0.3
8	0.2
10	q

4) Every random variable with a Laplace probability model must have a uniform probability distribution.

Group of answer choices

True

False