The graph below shows three different normal distributions. 3 normal distributions are shown. All 3 are at different points on t

Question

3 years ago

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The graph below shows three different normal distributions. 3 normal distributions are shown. All 3 are at different points on t

he axis. They all have different heights and widths. Which statement must be true? Each distribution has the same mean and the same standard deviation. Each distribution has the same mean and a different standard deviation. Each distribution has a different mean and the same standard deviation. Each distribution has a different mean and a different standard deviation.

Mathematics