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If one person is chosen at random from the above study, determine the following: (Give your answer as a fraction and a decimal rounded
If one person is chosen at random from the above study, determine the following: (Give your answer as a fraction and a decimal rounded to three decimal places) 1. What is the probability that the person is 35- 44 years old? 2. What is the probability that the person prefers McDonalds? 3. What is the probability that the person does NOT prefer KFC? 4. What is the probability that the person is 25-34 years old OR prefers McDonalds? 5. What is the probability that the person is 25-34 years old AND prefers KFC? 6. What is the probability that the person is 45-65 years old OR prefers McDonalds? 7. What is the probability that the person prefers McDonalds OR Wendy's? 8. What is the probability that the person's age is at least 35? 9. What is the probability that the person prefers Wendy's AND KFC? 10. What is the probability that the person is 35-44 years old, given that the person prefers Wendy's? 11. What is the probability that the person prefers Wendy's, given that the person 35-44 years old? 12. What is the probability that the person is 35-44 years old AND prefers Wendy's? 13. What is the probability that the person prefers McDonalds, given that the person is 25-34 years old? 14. What is the probability that the person is 25-34 years old, given that the person prefers McDonalds? 15. Is the preference independent of age? Use probabilities from above to demonstrate your decision. 16. Give an example of two events that are disjoint (mutualy exclusive)? Age 25-34 35-44 45-65 Totals McDonalds 20 80 115 Wendy's Kentucky Fried Chicken (KFC) 50 65 55 30 30 55 Totals
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