Business Travel News (August 13, 2018) reported the results of its annual Travel Manager Salary & Attitude survey. A total of 256 travel professionals, 77 males and 179 females, participated in the survey. One question asked for the travel professional’s opinion on the fairness of his/her salary. Responses were classified as “salary low for responsibilities,” “equitable exchange,” or “paid well.” The table below gives a breakdown of the responses in each category by gender.

a. Find the proportion of male travel professionals who believe their salary is too low and compare it with the proportion of female travel professionals who believe their salary is too low.

b. Repeat part a but compare the proportions who believe their salary is equitable.

c. Repeat part a but compare the proportions who believe they are paid well.

d. Based on the comparisons, parts a–c, do you think opinion on the fairness of a travel professional’s salary differs for males and females?

e. Refer to part d. Conduct the appropriate statistical test using α = .10.

f. Construct and interpret a 90% confidence interval for the difference between the proportions of part a.

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Salary low Equitable Paid well Totals Males 30 37 10 77 Females 79 77 23 179