Question
Suppose that a random sample is being drawn from the population of executives known to have a mean age of 30 with a standard deviation
Suppose that a random sample is being drawn from the population of executives known to have a mean age of 30 with a standard deviation of 3 years. The population is normally distributed.
What is the probability that a randomly selected executive will be over 35 years of age?
What is the probability, in a sample of 365 executives, that the mean age will exceed 35 years?
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Business Statistics In Practice
Authors: Bruce Bowerman, Richard O'Connell
6th Edition
0073401838, 978-0073401836
