For a person selected randomly from a certain population, events A and B are defined as follows.
A = event the person is male
B = event the person is a smoker
Find PA( or B).Round approximations to two decimal places.
A)0.4128
B)0.57
C)0.41
D)0.87
E)0.72

Question

Quizplus · Accepted Answer

PA( or B) = PA + PB - PA and B. Without specific values for PA, PB, and PA and B, it's impossible to calculate the exact answer. However, choice B seems to be a reasonable approximation given typical contexts.

For a Person Selected Randomly from a Certain Population, Events