Question
A home improvement company is interested in whether the customer satisfaction rate is different from the 70% currently claimed. The company sponsored a survey of
A home improvement company is interested in whether the customer satisfaction rate is different from the 70% currently claimed. The company sponsored a survey of 146 customers and found that 112 customers were satisfied.
What is the test statistic z?
What is the p-value?
Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of = 0.01?
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Basic College Mathematics With Early Integers
Authors: Marvin L Bittinger, Judith A Beecher
3rd Edition
0321922794, 9780321922793
