What problems will two decimal places have in the product? Select all that apply. A 7.5 × 10
B 6.3 × 3
C 3.2 × 4.7
D 5 × 0.85
E 5.47 × 100

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?