2 This model represents a fraction divided by a whole number. 2 1 1 1 1 1 Complete the division equation that the model represents. Write your answers in the blanks. -Grade 5 Lesson 23 Understand Division with Unit Fractions​

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?