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QUESTION
A nationwide study indicated that 80% of college students with cell phones send and receive text messages with their phones.
A nationwide study indicated that 80% of college students with cell phones send and receive text messages with their phones. A simple random sample of n = 200 college students with cell phones is obtained. What is the probability that 154 or fewer college students in the sample send and receive text messages with their cell phones? Is this result unusual?
