Another identity problem...
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Answers: 1
Mathematics, 22.06.2019 00:00, keving4three
240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities
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Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
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