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Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.

a) A multiple choice test consists of 60 problems. Each problem has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.

b) Find the probability that in 200 tosses of a fair die, we will obtain at most 30 fives.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9111815

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