Candidates for a police academy are given a general abilities test. Tests scores have a mean of 200 and a standard deviation of 20. What is the probability that 50 randomly chosen candidates will have a mean score above 206?
Candidates for a police academy are given a general abilities test. Tests scores have a mean of 200 and a standard deviation of 20. What is the probability that 50 randomly chosen candidates will have a mean score above 206?
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