adults, 45% indicated that movies were getting better whereas 43% indicated that movies were getting worse. (a) Find a 98% confidence interval for p, the overall proportion of adults who say that movies are  getting better. (b) Does the interval include the value p=0.50? Do you think that a majority of adults say that movies

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
icon
Related questions
Question

In poll of n=800 randomly chosen adults, 45% indicated that movies were getting better whereas 43% indicated that movies were getting worse.
(a) Find a 98% confidence interval for p, the overall proportion of adults who say that movies are 
getting better.
(b) Does the interval include the value p=0.50? Do you think that a majority of adults say that movies 
are getting better?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 14 images

Blurred answer