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1. In a recent survey of 4513 college undergraduates, 20% reported having fallen asleep in class. To test this result, your instructor sampled 25 students from his class and asked them if they ever fell asleep in class. Using the survey data to represent the population for the instructor?s sample, what is the probability that:

a. None of the students sampled will report they fell asleep in class.

b. At least 4 students will report they fell asleep in class.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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