Summary: This module is a quiz containing 10 multiple choice questions covering topics related to continuous random variables. This module is part of a set of companion resources to Collaborative Statistics (col10522) by Barbara Illowsky and Susan Dean.

Given that X ~ U(3, 15), find the probability that X is between 12 and 14.

**A.**2/12**B.**12/14**C.**2/15**D.**2

Given that X ~ U(3, 15), find the probability that X is greater than 5 given that X is less than 10.

**A.**5/12**B.**5/10**C.**5/7**D.**10/7

Given that X ~ U(3, 15), find the 70th percentile.

**A.**0.70**B.**5.4**C.**11.4**D.**10.5

Given that X ~ U(3, 15), f(x) =

**A.**1/15**B.**1/18**C.**1/12**D.**1

Given that X ~ U(3, 15), what percent of the area is between 1 and 4?

**A.**8 1/3**B.**25**C.**20**D.**unable to determine

The probability that "X is at most 3" is interpreted as:

**A.**P(X < 3) + P(X=3)**B.**P(X < 3)**C.**P(X > 3)**D.**P(X > 3) + P(X = 3)

Given that X ~ Exp(0.4), find the decay rate.

**A.**0.4**B.**1/0.4**C.**4**D.**2.5

Given that X ~ Exp(0.4), find the median.

**A.**2.5**B.**1.25**C.**1.73**D.**1/4

X follows an Exponential Distribution with an average of 12. Which of the following is true?

**A.**The median is 12.**B.**The decay rate is 12.**C.**The mode is 12.**D.**The standard deviation is 12.

X follows a Uniform Distribution from 2 to 5. What can be said of the median?

**A.**It is the same as the standard deviation.**B.**Both (1) and (2) are correct.**C.**It is the same as the average.**D.**It is less than the average.