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.

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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