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Mathematics, 21.06.2019 21:10
Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
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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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Can someone me find the original price? the discount is 5% and the sale price is $68.40
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