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Use the information to answer Q7-10 Clemson found that 6% students said that they were strongly...

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Use the information to answer Q7-10 Clemson found that 6%students said that they were strongly opposed to increases incollege tuition. Suppose we have a random sample of 200 students.Let ?Ì‚be the sample proportion.

7. The mean of ?Ì‚is ____.

8. The standard deviation (sometimes called standard error) of?Ì‚is ____. (4 decimal places)

9. Which of the following can best describe/explain the shape of?Ì‚?

A. We can’t determine the shape of ?̂.

B. ?Ì‚follows normal distribution because: 1. The sample israndom. 2. ? is large enough

C. ?̂follows normal distribution because: 1. The sample israndom. 2. ? = 200 ≥ 30.

D. ?̂follows normal distribution because: 1. The sample israndom. 2. ?? = 0.06(200) = 12 ≥ 5 and ?(1 − ?) = 0.94(200) = 188 ≥5.

10. What is the probability that more than 13 students out ofthis sample of size 200 are strongly opposed to increases incollege tuition. (4 decimal places)

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