Multiply and simplify.
5 2/3 times 3/4
·
a.2 1/2
b.3 1/4
c.4 1/4
d.5 1/2 asap i need an answer now
someone now

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?