[555] Statistics show that 40% of drivers in a certain
Chapter 0, Problem SE4.4(choose chapter or problem)
[555] Statistics show that 40% of drivers in a certain groupare a good risk. Using the normal approximation to the binomialdistribution, calculate the probability that in a randomly selectedgroup of 60 drivers:a. Not more than 30 are a good risk.b. At least 25 are a good risk.c. Between 20 and 28 (inclusive) are a good risk
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