Management

A frustrated store manager is asked to make four different yes-no decisions that have no relation to each other. Because he is impatient to leave work, he flips a coin for each decision. If the correct decision in each case was yes, what is the probability that

(a) all of his decisions were correct?

(b) none of his decisions was correct?

(c) half of his decisions were correct?

Q593

Genetics

A couple plan to have two children and want to know the probability of having one boy and one girl.

(a) Does {0, 1, 2} represent an equiprobable sample space for finding the probability of exactly one boy in two children?

(b) Construct an equiprobable sample space for this problem.

(c) What is the probability of getting one boy and one girl in two children?