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Mathematics, 22.04.2021 18:50 avadestinyy

Use technology or a z-score table to answer the question. The scores on a memory test are normally distributed with a mean of 100 and a standard deviation of 25. Consider a group of 400 people who take the test.

How many people will score 90 or less?

63

138

180

262

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Answers: 3

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