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1)A random sample of size 100 is taken from a population having mean of 20 and a standard deviation of 5. The shape of the

1)A random sample of size 100 is taken from a population

having mean of 20 and a standard deviation of 5. The shape

of the population distribution is unknown. Find the probability

that X will exceed 20.75

(Hint: may use Rstudio)

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