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Mathematics

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The mean height of a group of 500 nonsmoking college students is 74 inches and the standard deviation is 5 inches. What is the probability that a random sample of 25 students from this group, the average height will be between 73 and 75 inches? (Answer in four decimal places)

Answer :

hshcandles hshcandles

Today at 6:49 PM

500 (non smokers)÷ 25(random students out of the group)= 20 inches. 20 inches ÷ 74 inches= 3.70

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