Probability Distribution

Question 1

Expected value is the same as the

Accepted Answer

Mean

Question 2

Is the following variable discrete or continuous? Amount of gasoline needed to go to the beach

Accepted Answer

Continuous

Question 3

Is the following variable discrete or continuous? The cost a your last Starbucks purchase

Accepted Answer

Discrete

Question 4

Given a random variable X between 0 and 3, if P(0) = .15, P(1) = .2, P(2)= .3, P(3) =?

Accepted Answer

.35

Question 5

Is the following variable discrete or continuous? The time it takes you to answer this question

Accepted Answer

Continuous

Question 6

What are the requirements for a probability distribution?

Accepted Answer

Probabilities must be between 0 and 1, Probabilities must sum to 1

Questions 6