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Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

What is the measure of angle x? a.101 b.158 c.44 d.79

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?