CitySearch.com reports that 55% of its users are in the 18-to-30 age demographic, 35% are in the 31-to-45 demographic, and the remaining 10% are in the 46-and-older demographic.In a recent survey of 200 randomly selected CitySearch.com users, 102 users were in the 18-to-30 age demographic, 84 were in the 31-to-45 demographic, and the rest were in the 46-and-older demographic. You will conduct a proper chi-square test to determine whether this sample result is enough to reject a null hypothesis that the age group distribution of CitySearch.com users is as the website describes.The significance level is .05.If the p-value turns out to be .075, what should you conclude?
A)Don't reject the website's claim.
B)Reject the website's claim.
C)The sample provides strong evidence that the website's claim is true.
D)Given the sample result, the website's claim can't be true.

Question

Quizplus · Accepted Answer

Since the p-value (.075) is greater than the significance level (.05), there is not enough evidence to reject the null hypothesis. This means we don't have sufficient evidence to say the website's claim about the age distribution of its users is incorrect.