Question

A retail electronics shop is thinking of mounting a sales push to get customers to buy the extended warranty available for their purchases. The sales manager believes that fewer than 10% of customers currently opt for the extra coverage. A random sample of 200 customers revealed that 18 opted for the extended warranty. Do the sample results confirm the sales man ager's belief? Use a = 0.05.


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  • CreatedJuly 12, 2015
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