Last year, television station WXYZ's share of the 10 P.M. news audience was approximately equal to, but not greater than, 25%. The station's management believes (and would like to claim for advertising purposes) that the current share is higher than last year's 25% share. In an attempt to substantiate this claim, the station surveyed a random sample of 400 news viewers and found that 146 watched WXYZ news. At the .01 level of significance, do you believe the station's claim to be correct?© BrainMass Inc. brainmass.com November 29, 2021, 11:54 pm ad1c9bdddf
Please see the attached file.
The sample size: n = 400.
The proportion of the news audience watching WXYZ: p = ...
This solution looks at hypothesis testing: does a larger percentage of people watch the 10 PM news at a particular TV station?