Jeannette's canoe passed the 600 yard marker at 2: 15 p. m. at 2: 25 p. m., her canoe passed the 1,500 yard marker. at the same rate of speed, find the time at which her canoe will finish the 2,400 yard race.

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?