The University of Utah admits 83% of all first year applicants. If I take a simple...
The University of Utah admits 83% of all first year applicants. If I take a simple random sample of 400 first year applicants to the University of Utah, and let pb be the percentage of students accepted among there 400 applicants.
(a) (5 points) By C.L.T, what is the distribution of pb?
(b) (5 points) What is the chance that there are more than 85% applicants are accepted?
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The University of Utah admits 83% of all first year applicants.
If I take a simple...
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University students travelled to take the class on campus. Let W be
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size 50 was collected. He calculated the following statistics based
on the sample:
Alex wanted to run a hypothesis test with the null and
alternative hypothesis as below:
Note that is the mean
distance travelled by University students to come to campus.
Please calculate the test statistic for the...
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According to a Pew Research Center study, in May 2011, 39% of all American Type numbers in the boxes. adults had a smart phone (one which the user can use to read email and surf 10 points the Internet). A communications professor at a university believes this percentage is higher among community college students. She selects 448 community college students at random and finds that 188 of them have a smart phone. Then in testing the hypotheses: H:...
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