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Mathematics, 09.01.2020 06:31 lefarrioe8621
In a group of 60 children 12 have brown eyes what percent has brown eyes
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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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In a group of 60 children 12 have brown eyes what percent has brown eyes...
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