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Mathematics, 29.10.2020 19:20, colyernicholas44
A middle school took all of its 6th-grade students on a field trip to see a symphony at a theater that has 3700 seats. The students filled 86% of the seats in the theater. How many 6th graders went on the trip?
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Mathematics, 21.06.2019 17:30, alexandroperez13
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
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Mathematics, 21.06.2019 21:20, pampam49
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
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A middle school took all of its 6th-grade students on a field trip to see a symphony at a theater th...
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