Reference no: EM132848290

X Record.Number Age Sex Aer Smk Caf Pr Rct Starting_Sal HRs.per.week Major

1 1       1 20  1  1  2  1 72 125    38723      58  FIN

2 2       2 18  1  2  2  2 80 150    40407      62  FIN

3 3       3 21  1  1  2  2 60 100    39988      55  FIN

4 4       4 18  1  2  2  2 60 160    40166      61 ACCT

5 5       5 18  1  1  2  2 53 150    39580      58 ACCT

6 6       6 18  1  1  2  2 81 140    39982      57 ACCT

1. Test the hypothesis that less than 17% of college students are smokers at the α = 0.05 level .
2. Provide and interpret a two-sided 94% confidence interval for the true average hours worked per week.
3. Test the hypothesis that the students' reaction time is greater than 170 milliseconds at the α = 0.10 level.
4. Provide and interpret a two-sided 99% confidence interval for the true proportion of accounting majors.