Question

Chapter 8 - Fl_student_survey - Do the hypothesis test to check if the population proportion of  Republicans is less than.50? Also, calculate and interpret the 95% confidence intervals for the population proportion.  

Please show all the details/relevant graphs and explanations.

Data:

060300210110,,2 0 0 1 1 2 2 1 000 33 000 053637433 2172 111302047 2272 7,5 4 5 6 5 2 3 sl 15 3 1 1 3679 12 0 4 2 7 473 236 5 7 10 14 6 3 4 7 6 5 6 2 4 4 7 7 0 2 8 11 3 15 5 6 4 10 3 2 1 2 2 1 316 1 1 1 3 3 1 8 2 5 2 4 2 3 12 3. 3 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3 3 3 3 3 3333333 3342 3.5 3 3 3 3 4 3 4 37 put m f 3 4 m m m f m m m 12 13 14 15 16 17 18 19 20 21 22 m f m 26 27 28 29 10,121 8 4 1-875 0 10 21 s 18 ~05 s 827 10 5 6 11 8 55-12-272 0.5 1 25 2 5 21 s 12 112 s 83671 0.3 1 0.5 4 300 6 80扔200 1 112 150 3 a 32 3 3 3 34 2 3423 33 3333 3343 3.5 3 3.5 3.5 3 3 14 26 26 3 2 2 2 4 3 33 2 1 6 8 232424672425232 30 2-22 38 9 4 4 4 4 4 4 4 4 4 4 50 155 55 56 57 58 59 60 30-32 33 34 35 36

Answer 1

Sol Let P denote the Papulahion pupstion Thenhae o les! The test stahstic undeno i given by LJhene Caiical Value J x(025) o25 1.5 -О-S 2obs -3.873

he opulation odence. intem C 1 N (0.14041035%) CT