Author Question: If P(A B ) = 0 and P(A ) 0, then which statement is false? A) Events A and B are dependent. B) ... (Read 104 times)

sc00by25 · **on:** Jul 25, 2018

If P(A B ) = 0 and P(A ) 0, then which statement is false?

A) Events A and B are dependent.
B) Events A and B are mutually exclusive.
C) Events A and B have no sample points in common.
D) Events A and B are independent.

Question 2

The probability that an individual is left-handed is 0.15. In a class of 60 students, what is the mean and standard deviation of the number of left-handed students? Round to the nearest hundredth when necessary.

A) mean: 60; standard deviation: 2.77 B) mean: 9; standard deviation: 2.77
C) mean: 9; standard deviation: 3 D) mean: 60; standard deviation: 3