Author Question: Suppose you roll a pair of dice. Let A be the event that you roll an even number. Let B be the event ... (Read 148 times)

abern · **on:** Jun 24, 2018

Suppose you roll a pair of dice. Let A be the event that you roll an even number. Let B be the event that you roll an odd number. Which of the following statements is true?

A) The events A and B are not mutually exclusive.
B) The intersection of A and B is the empty set .
C) The events A and B are not collectively exhaustive.
D) The complement of event B is the set 1, 3, 5, 7, 9, 11.

Question 2

The Empirical Rule states that the percentage of observations in a data set (providing that the data set has a bell-shaped and symmetric distribution) that fall within one standard deviation of their mean is approximately:

A) 68
B) 75
C) 95
D) 99