7.1.3.1

CHALLENGE 7.1.3: ACTIVITY Hypothesis test for a population proportion. 645118 4634804 qx3207 Jump to level 1 A software company is interested in improving customer satisfaction rate from the 79% currently claimed. The company sponsored a survey of 290 customers and found that 238 customers were satisfied. What is the test statistic z? Ex: 1.23 Round z to two decimal places. 1 2 3 Check Next