In Exercises 3 9 - 4 2 , use the following information: To determine the effect their salespeople have on purchases, a department store polled 700 shoppers regarding whether or not they made a purchase and whether or not they were pleased with the service they received. Of those who made a purchase, 151 were happy with the service and 133 were not. Of those who made no purchase, 201 were happy with the service and 215 were not. Use probability rules (when appropriate) to find the probability of the event stated. A shopper made a purchase and was happy with the service. b. A shopper made a purchase or was unhappy with the service.
In Exercises 3 9 - 4 2 , use the following information: To determine the effect their salespeople have on purchases, a department store polled 700 shoppers regarding whether or not they made a purchase and whether or not they were pleased with the service they received. Of those who made a purchase, 151 were happy with the service and 133 were not. Of those who made no purchase, 201 were happy with the service and 215 were not. Use probability rules (when appropriate) to find the probability of the event stated. A shopper made a purchase and was happy with the service. b. A shopper made a purchase or was unhappy with the service.
Solution Summary: The author explains how the probability of a shopper making the purchase and being happy with the service is 151700.
In Exercises
3
9
-
4
2
, use the following information: To determine the effect their salespeople have on purchases, a department store polled 700 shoppers regarding whether or not they made a purchase and whether or not they were pleased with the service they received. Of those who made a purchase, 151 were happy with the service and 133 were not. Of those who made no purchase, 201 were happy with the service and 215 were not. Use probability rules (when appropriate) to find the probability of the event stated.
A shopper made a purchase and was happy with the service.
b. A shopper made a purchase or was unhappy with the service.
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