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Number of drinking per day follows a normal distribution

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Reference no: EM131045195

1. Among coffee drinkers, men drink a mean of 2.5 cups per day with a standard deviation of 0.5 cups. Assume the number of drinking per day follows a normal distribution.

a. What is the probability that a man drinks less than 3.5 cups per day?

b. What is the probability that a man drinks more than 3.5 cups per day?

c. What is the probability that a man drinks less than 2 cups per day?

d. If the top 5% of coffee drinkers are considered heavy coffee drinkers, what is the minimum number of cups consumed by a heavy coffee drinker?

Reference no: EM131045195

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