Author Question: Exhibit 11-9The results of a recent poll on the preference of teenagers regarding the types of music ... (Read 79 times)

ega16 · **on:** Mar 25, 2023

Question 1

Exhibit 11-9
The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below.

Music Type	Teenagers Surveyed	Teenagers Favoring This Type
Pop	800	384
Rap	900	450

Refer to Exhibit 11-9. The standard error of is

◦

0.48

◦

0.50

◦

0.03

◦

0.0243

Question 2

Exhibit 11-9
The results of a recent poll on the preference of teenagers regarding the types of music they listen to are shown below.

Music Type	Teenagers Surveyed	Teenagers Favoring This Type
Pop	800	384
Rap	900	450

Refer to Exhibit 11-9. The 95% confidence interval for the difference between the two proportions is

◦

384 to 450

◦

0.48 to 0.5

◦

0.028 to 0.068

◦

-0.068 to 0.028

gcurrens · **Reply #1 on:** Mar 25, 2023

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