A population of values has a normal distribution with μ=94.9 and σ=63. You intend to draw a random sample of size n=189. Please show your answers as numbers accurate to at least 3 decimal places. Find the probability that a single randomly selected value is greater than 93.1. Find the probability that a sample of size n=189 is randomly selected with a mean greater than 93.1.

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A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

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Q: Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a…

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