# Question: Under usual conditions a distillation unit in a refinery can

Under usual conditions, a distillation unit in a refinery can process a mean of 135,000 barrels per day of crude petroleum, with a standard deviation of 6,000 barrels per day. You may assume a normal distribution.

a. Find the probability that more than 135,000 barrels will be produced on a given day.

b. Find the probability that more than 130,000 barrels will be produced on a given day.

c. Find the probability that more than 150,000 barrels will be produced on a given day.

d. Find the probability that less than 125,000 barrels will be produced on a given day.

e. Find the probability that less than 100,000 barrels will be produced on a given day.

a. Find the probability that more than 135,000 barrels will be produced on a given day.

b. Find the probability that more than 130,000 barrels will be produced on a given day.

c. Find the probability that more than 150,000 barrels will be produced on a given day.

d. Find the probability that less than 125,000 barrels will be produced on a given day.

e. Find the probability that less than 100,000 barrels will be produced on a given day.

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