In a Large Class, the Professor Has Each Person Toss

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 80 times each, about 95% should have proportions between what two numbers?
Use the 68-95-99.7 Rule to provide the appropriate response.

A) 0.025 and 0.975
B) 0.39 and 0.62
C) 0.1118 and 0.1677
D) 0.4875 and 0.5125
E) 0.2375 and 0.7375

Correct Answer:

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