Question: A nationwide market research study was undertaken to determine the preferences of various age groups of men for different sports. A random sample of 1,000 men was selected and each individual was asked to indicate his age and his favorite sport. The results were as follows:

Sport

If a respondent is selected at random, what is the probability he

a) Prefers baseball?

b) Is between 20 and 29 years old?

c) Is between 20 and 29 years old and prefers basketball?

d) Is at least 50 years of age or prefers baseball?

e) If the person selected is under 20 years old, what is probability that he prefers hockey?