A certain oil field contains 10 wells which produce 240 barrels of oil each per day. For each additional well that is drilled, the average production per well decreases by 12 barrels per day. How many additional wells should be drilled to obtain the maximum amount of oil per day.

You purchased 8 pounds 10 ounces of candy from a candy shop. you want to split it equally among 3 classrooms at a local school.

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

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