Mathematics, 27.03.2020 06:17 mailani12503

A biologist would like to estimate the average life span of an insect species. She knows that the insect's life span has standard deviation of 1.5 days. According to Chebyshev's Inequality, how large a sample should she choose to be at least 95% certain that the sample average is accurate to within ±0.2 days?

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