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Mathematics, 06.11.2019 05:31 Osmin
You measure the lifetime of a random sample of 25 rats that are exposed to 10 sv of radiation (the equivalent of 1000 rem), for which the ld 100 is 14 days. the sample mean is = 13.8 days. suppose that the lifetimes for this level of exposure follow a normal distribution, with unknown mean μ and standard deviation σ = 0.75 day. what is the 95% confidence interval for μ based on these data?
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You measure the lifetime of a random sample of 25 rats that are exposed to 10 sv of radiation (the e...
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