In a Large Class, the Professor Has Each Person Toss

question 10

Multiple Choice

In a large class, the professor has each person toss a coin several times and calculate the proportion of his or her tosses that were heads.The students then report their results, and the professor plots a histogram of these several proportions.If the students toss the coin 100 times each, about 68% should have proportions between what two numbers?
Use the 68-95-99.7 Rule to provide the appropriate response.

• A)0.34 and 0.67
• B)0.45 and 0.55
• C)0.16 and 0.84
• D)0.495 and 0.505
• E)0.05 and 0.1

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Definitions:

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