You and some friends rent a limousine for a formal reception. the bill for the evening is $65.00. a tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. you decide to leave him a tip that is 20% of the bill before tax is added. how much will be paid in total? a. 92.00 b.91.00 c. 85.50 d. 82.55

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?