Adean must distribute salary raises to her faculty for next year. she has decided that the mean raise is to be $2,000, the standard deviation of raises is to be $400, and the distribution is to be normal.

How many verticies does a triangular prims have

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

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?