Refer back to Example 4.1 on page 157, and particularly to the tree diagram in Exhibit 4.10 on page 159.Construct another tree diagram for the data, using the first node to distinguish those who did or did not use the facilities. Are the joint probabilities at the end of the branches the same? Did you expect them to be?
Answer to relevant QuestionsRefer back to Example 4.2a, about a survey to determine whether people saw a TV ad or purchased a product. In the sample, is purchasing behaviour related to seeing the TV ad? You must use probabilities to support your ...Refer to Exhibit 4.33 in Exercise 19. Is the payment method independent of the store in this sample? Refer to the information about GeorgeConn employees, in Exercise 2 above. If the selected employee is a woman, what is the probability she has a Business diploma? Are gender and possession of a Business diploma related for ...According to a recent survey conducted by a management recruiting firm, more than one-third (34.2%) of executives polled thought that business casual dress has gone too casual. Suppose you randomly selected 30 executives and ...Exhibit 5.6 below shows a probability distribution for the number of restaurant customers who will order the daily special, out of the next six customers who come through the door. Fill in the missing probability, and ...
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