a. Beverage managers expect that half of their customers prefer regular soft drinks and half prefer diet drinks. If that is so, should exactly half of the 36 customers in a sample prefer diet drinks?...

a. Beverage managers expect that half of their customers prefer regular soft drinks and half prefer diet drinks. If that is so, should exactly half of the 36 customers in a sample prefer diet drinks?
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b. Executives of a cellular telephone company believe that 75% of iPhone users are “very satisfied” with the device. If that’s the case, would you be surprised if 85% of those in a survey of 225 customers say they are very satisfied?
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