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Mathematics, 22.05.2020 20:00 jason9394

3 normal distributions are shown. They all peak at the same point, but they all have different heights and widths.

Which statement must be true?
Each distribution has a different mean and the same standard deviation.
Each distribution has a different mean and a different standard deviation.
Each distribution has the same mean and the same standard deviation.
Each distribution has the same mean and a different standard deviation.

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Answers: 1

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