11.35 A survey of employees at an insurance firm was concerned with worker–supervisor relationships.

One statement for evaluation was, “I am not sure what my supervisor expects.” The results of the survey are presented in the following contingency table.

I Am Not Sure What My Supervisor Expects Years of Employment True Not True Totals Less than 1 year 18 13 31 1 to 3 years 20 8 28 3 to 10 years 28 9 37 10 years or more 26 8 34 Totals 92 38 130 Can we reject the hypothesis that “The responses to the statement and the years of employment are independent” at the 0.10 level of significance?

a. Solve using the p-value approach.

b. Solve using the classical approach.