Quizzes & Tests Take a Test- Colin Davis Midterm Grades MYLABPLUS ink-41952.201

Question

Quizzes & Tests Take a Test- Colin Davis Midterm Grades MYLABPLUS ink-41952.201 MATH 1442 all F2F sec Quiz: Chapter 8 Quiz 3 of 12 (0 complete) This Question: 1 pt Make a decision about the given dlaim. Do not use any formal procedures and exact calculations. Use only the rare event rule. Claim: A coin favors hoads when tossed, and there are 13 heads in 24 tosses. Which of the following is correct? O A. There is rot sufficient evidence to support the claim because tere are not substantially more heads than tals 0 B. There does appear to be sufficient evidence to support the claim because there are not substantialy more heads than tals. O C. There is not suscent evidence to support the daim because there are substanally more heads than talls. O D. There does appear to be sufficient evidence to support the claim because there are substantially more heads than tails Click to select your answer

Explanation / Answer

Ans:

sample proportion=13/24=0.542

z=(0.542-0.5)/sqrt(0.5*0.5/24)=0.41

P(z>0.41)=0.3403

As,0.3403>0.05,so it is not unusual or rare event.

There is not sufficient evidence to support the claim because there are not substantially more heads than tails.

Option A is correct.

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