A population of values has a normal distribution with μ = 117.3 and σ = 60.2. a. Find the probability that a single randomly selected value is less than 137.2. Round your answer to four decimal places. P(X < 137.2)= b. Find the probability that a randomly selected sample of size n = 57 has a mean less than 137.2. Round your answer to four decimal places. P(M<137.2)=

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