According to statistics, the amount of time a university student works per week to earn extra...

According to statistics, the amount of time a university student works per week to earn extra money is normally distributed with a mean of 16 hrs and standard deviation of 4 hrs and 30 minutes.

A) calculate the probability that in a given week a student will work between 6 hrs and 10 hrs.

B) calculate the probability that in a given week a student will work less than 18 hrs

C) calculate the probability that in a given week a student will work more than 24 hrs.

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orchestra answered 1 year ago

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