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[Solved] A nationwide market research study was undertaken to determine the preferences of various age groups of men for different sports. A random sample

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

Age Group Baseball Football Basketball Hockey Totals
Under 20 26 47 41 36 150
20-29 38 84 80 48 250
30-39 72 68 38 22 200
40-49 96 48 30 26 200
50 and over 134 44 18 4 200
Totals 366 291 207 136 1000

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

  1. Prefers baseball?
  2. Is between 20 and 29 years old?
  3. Is between 20 and 29 years old and prefers basketball?
  4. Is at least 50 years of age or prefers baseball?
  5. If the person selected is under 20 years old, what is probability that he prefers hockey?

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