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Mathematics, 08.04.2021 18:30 silentlotusalex6284
I’ve been to kiss and tell, send girls to wishing wells.
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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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I’ve been to kiss and tell, send girls to wishing wells....
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