What type of distribution is this? 12
10
8
6
4
2
0
[12, 17.125)
(17.125, 22.25)
(22.25, 27.375)
(27.375, 32.5)
(32.5, 37.625)
(37.625, 42.75]
(42.75, 47.875)
(47.875, 53)
Is it positively or negatively skewed

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?