1. For a normal distribution with a mean of u = 500 and ở = 100, what is the ability of selecting an individual with a score less than 400? a. 0.1587 500 and o = b. 0.8413 с. 0.34.13 d. -0.15.87 uith a mean of u = 40 and o = 4, what is the prohahili

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