CHALLENGE ACTIVITY 7.1.3: Hypothesis test for a population proportion. 426694.2215498.qx3zqy7 V Jump to level 1 1 V A home improvement company is interested in improving customer satisfaction rate from the 56% currently 2 claimed. The company sponsored a survey of 221 customers and found that 132 customers were satisfied. Determine whether sufficient evidence exists that the customer satisfaction rate is different than the claim 3 by the company What is the test statistic z? 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 = 0.01? Select v 2 3 Check Next