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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?

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.

Aset of 4 consecutive integers adds up to 354. what is the value of the least integer?