Question

Suppose that in a certain population of drug addicts. The mean duration of abuse is
5 years and the standard deviation is 3 years. What is the probability that a random
sample of 36 students from this population will yield a mean duration of abuse
between 4 and 6 years?
42. A soft drink machine is regulated so that it discharges an average of 200 milliliters
per cup. If the amount of drink is normally distributed with a standard deviation
equal to 15 milliliters, what fraction of the cups will contain more than 224 milliliters?

Answer 1

Answer:

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Answer 2

Answer:

Explanation:

Suppose that in a certain population of drug addicts. The mean duration of abuse is

5 years and the standard deviation is 3 years. What is the probability that a random

sample of 36 students from this population will yield a mean duration of abuse

between 4 and 6 years?