See screen shot for reference :

V A home improvement company is interested in improving customer satisfaction 2 rate from the 78% currently claimed. The company sponsored a survey of 232 customers and found that 189 customers were satisfied. 3 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 = 0.05? Select