Jump to level 1 A home improvement company is interested in improving customer satisfaction rate from the 63% currently claimed. The company sponsored a survey of 287 customers and found that 190 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim by the company. What is the test statistic 2? Ex: 1.23 What is the p-value? Ex: 0.456 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.05? Select v Check Next Fee CHALLENGE 7.1.4: Excel: Hypothesis test for a population proportion. ACTIVITY Click this link to download the spreadsheet for use in this activity. 74

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