A college president says, “99 percent of the alumni support my firing of Coach B

Question

A college president says, “99 percent of the alumni support my firing of Coach Boggs.” You contact an SRS of 200 of the college’s 15,000 living alumni and find that 66 of them support firing the coach.

A. Which of the following is the population concerned?

a.The 66 alumni who support the firing of Coach Boggs

b.The 200 alumni who were contacted

c.The 15000 living alumni

B: Identify the correct population proportion p.

a. The proportion of living alumni who were interviewed and support the firing of Coach Boggs

b.The proportion of living alumni who were interviewed

c.The proportion of living alumni who support the firing of Coach Boggs

C: Fill in the blank: The numerical value of the sample proportion () is ______. (Give your answer to two decimal places.)

Explanation / Answer

A )

c.The 15000 living alumni is correct

B)

c.The proportion of living alumni who support the firing of Coach Boggs

is correct

C) The numerical value of the sample proportion is 66/200 = 0.33

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