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population values has normal distribution with mean of 212.5 and standard deviation of 4.8. we get...

population values has normal distribution with mean of 212.5 and standard deviation of 4.8. we get random sample of 40.
a) find probability that a single value is greater than 200.3
b) find probability that a sample size n=40 randomly selected is greater than 200.3

sorry SD 4.8
math   Statistics-And-Probability   
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