Use the data in exercise 5.43 for this problem.

a. Find the probability that a randomly selected person did not have a child under 18 years old, given that they said No.

b. Find the probability that a randomly selected person said No, given that the person did not have a child under 18 years old.

c. Find the probability that a randomly selected person from the group did not have a child under 18 years old and said No.

Data From Exercise 5.43:

A Gallup poll asked people with and without children under 18 years old if they frequently experienced stress. The results are shown in the table below.

Frequently Experience Stress Yes No Total With child 319 231 550 under 18 years No child under 195 305 500 18 years Total 514 536 1050