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RainaJade6004
31.08.2021 •
Mathematics
The average length of time it takes to complete a Ph.D. in statistics is 5.2 years, with a standard deviation of 0.7 years. In a random sample of 40 individuals with a Ph.D. in statistics, what is the 90th percentile of the sum total amount of time that all 40 spent in grad school
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Ответ:
Answer C is correct if i wrong don't judge i have feelings to.
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