Nathan's mom saw a sign that read "40% off all clothes ". She asked Nathan how much they would save on an $80 jacket, $50 jeans and $25 t-shirt. Indicate whether the strategies below will result in the amount you save (S), the new sale price (P), or neither (N)! STRATEGY: Find 10% of the sum of the items and then multiply by 4. 1 point Choose

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?