Mathematics, 09.09.2019 22:20 2605098

Normal in shape with a mean of: μ = 382 and a standard deviation of: σ = 21. according to the standard deviation rule, almost 2.5% of the students spent more than what amount of money on textbooks in a semester?

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Normal in shape with a mean of: μ = 382 and a standard deviation of: σ = 21. according to the stan...