Acontractor is installing tile trim in a bathroom. the dimensions of the bathroom are 20 feet, 10 feet, 20 feet, and 48 inches. formulas how much tile is needed to complete the job? 50 feet 54 feet 60 feet 98 feet

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?