Math 240

7.1.3: Hypothesis test for a population proportion. Jump to level 1 A home improvement company is interested in improving customer satisfaction rate from the 60% currently claimed. The company sponsored a survey of 180 customers and found that 121 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 z? Ex: 2.22 + What is the p-value? Ex: 0.123 Does sufficient evidence exist that the customer satisfaction rate is different than the claim by the company at a significance level of a = 0.1? Select v