Gavin plans to mix a batch of tangerine paint. he. expects to have of 5 3/10 ounes of paint after he mixes the amount of red and yellow explain how you can tell if gavin's expectation is reasonable.

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?