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Mathematics, 15.04.2021 17:50 acavalieri72

A normal population has a variance of 15. If samples of size 5 are drawn from this population, what percentage can be expected to have variances (a) less than 10, (b) more than 20, (c) between 5 and 10

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A normal population has a variance of 15. If samples of size 5 are drawn from this population, what...
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