find a problem for a hypothesis test for one proportion such as the one below. How cool is Facebook? In a recent GenX2Z American College Student Survey, 90% of female college students rated the social...

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find a problem for a hypothesis test for one proportion such as the one below.
How cool is Facebook? In a recent GenX2Z American College Student Survey, 90% of female college students rated the social network site Facebook as “cool.” The other 10% rated it as “lame.” Assume that the survey was based on a sample of 500 students. A marketing executive at Facebook wants to advertise the site with the slogan “More than 85% of female college students think Facebook is cool.” Can he conclude that the proportion of female college students who think Facebook is cool is greater than 0.85?
Make sure to include your null and alternative hypothesis, your test statistic, your p-value, decision, and conclusion in the context.
Do not use the example, any other problem will do.
Answered 1 days AfterJun 22, 2021

Answer To: find a problem for a hypothesis test for one proportion such as the one below. How cool is Facebook?...

Bolla V V Satyanarayana answered on Jun 23 2021
158 Votes
The CEO of a large electric utility claims that 80 percent of his 1,000,000 customers are satisfied with the service they receive. To test this claim, the local newspaper surveyed 100 customers, using simple random sampling. 73 were satisfied and the remaining were unsatisfied. Based on these findings from the sample, can we reject the CEO’s hypothesis that 80% of the customers are satisfied?
Solution:
Number of student in sample (n) = 100
Number of customers who are satisfied with the service they receive (x) =73
Proportion of customers who are satisfied with the service they receive = = 0.73
We want...
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