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Mathematics, 12.03.2020 01:14 rachelsweeney10
An element with mass 780 g decays by 17. 1% Per minute. How much of the element is remaining after 19 minutes, to the nearest 10th of a gram?
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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?
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Mathematics, 22.06.2019 03:30, lizzieee51
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?
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An element with mass 780 g decays by 17. 1% Per minute. How much of the element is remaining after 1...
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