Question: The probability that a U.S child will completely read a book of at least 400 pages at age=12 is 0.389. From a sample of 8

The probability that a U.S child will completely read a book of at least 400 pages at age=12 is 0.389. From a sample of 8 age=12 students, find the probability that half of these students will read a book of at least 400 pages in their 12th year.

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