(a) The probability is _____________. (b) The probability is___________. (c) The probability is___________. The amount of time that a customer spends waiting at an airport check-in counter is a random variable with mean 8.2 minutes and standard deviation 1.3 minutes. Suppose that a random sample of = 50 customers is observed. Find the probability that the average time waiting in line for these customers is (c) Less than 6 minutes Round your answers to one decimal place (e.g. 98.7). (b) Between 5 and 10 minutes (a) Less than 10 minutes

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