In a population of heroin users, the mean duration of heroin abuse is 5 years with a standard deviation of 3 years. If you randomly sample 81 heroin users from this population, what is the probability...


In a population of heroin users, the mean duration of heroin abuse is 5 years with a standard deviation of 3 years. If you randomly sample 81 heroin users from this population, what is the probability that your sample of 81 will yield a sample mean duration of heroin abuse between 4 and 6 years?



Jun 03, 2022
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