In Exercises 39 − 42 , use the following information: To determine the effect their salespeople have an 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. A shopper made no purchase and was unhappy with the service. b. A shopper made no purchase or was unhappy with the service.
In Exercises 39 − 42 , use the following information: To determine the effect their salespeople have an 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. A shopper made no purchase and was unhappy with the service. b. A shopper made no purchase or was unhappy with the service.
Solution Summary: The author analyzes the probability of a shopper making no purchase and unhappy with the service.
In Exercises
39
−
42
, use the following information: To determine the effect their salespeople have an 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. A shopper made no purchase and was unhappy with the service.
b. A shopper made no purchase or was unhappy with the service.
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