Help needed ASAP will give brainliest please I NEED HELP ITS TIME LIMIT :(
...
Mathematics, 02.09.2020 19:01 brandiwingard
Help needed ASAP will give brainliest please I NEED HELP ITS TIME LIMIT :(
Answers: 1
Mathematics, 22.06.2019 00:30, sanfordl
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?
Answers: 2
Arts, 03.01.2020 23:31
History, 03.01.2020 23:31