Reading tests: According to the National Center for Education Statistics, 66% of fourth graders could read at
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Reading tests: According to the National Center for Education Statistics, 66% of fourth graders could read at a basic level in a recent year. Suppose that eight fourth graders are randomly selected.
a. Find the probability that exactly five of them can read at a basic level.
b. Find the probability that more than six of them can read at a basic level.
c. Would it be unusual if all of them could read at a basic level?
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