Question

A CEO wondered if her company received either more or less complaints from its workers on Monday than any other day. She figured that if it were truly random, 20% of the complaints should have been filed on Monday. She randomly selected 50 complaints and checked the day that they were submitted. In those complaints 13were submitted on a Monday.

The CEO conducts a one-proportionhypothesis testat the 5% significance level, to test whether the true proportion of complaints submitted on a Monday is different from 20%.

(a) H0:p=0.2; Ha:p0.2, which is a two-tailed test.

(b)Use Excel to test whether the true proportion of complaints submitted on a Monday is different from 20%.Identify the test statistic, z,and p-valuefrom the Excel output, rounding to threedecimal places.

Provide your answer below:

test statistic= p-value=