AshantiLiz284 AshantiLiz284

20-12-2022
Mathematics

Answered

life expectancy for men in sri lanka can be taken as normally distributed with a mean of 73.6 years and a standard deviation of 11.2 years. what is the 80th percentile for life expectancy in this population? if we take a random sample of 100 men from this population, what is the probability that the mean life expectancy in the sample is greater than 72 years?

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