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  3. a multiple -choice test question has four possible

A multiple -choice test question has four possible responses. The question is designed to be very difficult, with...

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Question

Statistics

A multiple

-choice test question has four possible responses. The questionis designed to be very

difficult, with none of the four responses being obviouslywrong, yet with only one correct

answer. It first occurs on an exam taken by 400 stude

nts. The designers test whether more

people answer the question correctly than would be expected justdue to chance (i.e., if

everyone randomly guessed the correct answer).

a)

Set up the hypotheses for the test.

b)

Of the 400 students, 125 correctly answer

the question. Find the P

-value, and interpret.

c)

Make a decision about H0, using α = .05. Based on this decision,what can you conclude

about the parameter?

Answer & Explanation Solved by verified expert
4.4 Ratings (947 Votes)
Let p denotes the true proportion of    See Answer
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