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(Solved): 1. Let x be a normal distribution with mean =84 and standard deviation =20. Determine the probab ...



1. Let x be a normal distribution with mean μ=84 and standard deviation σ=20. Determine the probability that x is less than 50:
2. Let z denote a random variable that has a standard normal distribution. Determine the probability P(z > 1.32).


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