Question
A company claims that at least 65% of its customers are satisfied with their product. In a sample of 80 customers, 60 report being satisfied.
A company claims that at least 65% of its customers are satisfied with their product. In a sample of 80 customers, 60 report being satisfied.
To test the claim at a 0.05 significance level, the calculated test statistic for this hypothesis test is :
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
