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
Mathematics, 21.06.2019 16:10, marsewilliams
20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm
Answers: 1
Mathematics, 21.06.2019 18:00, kush3489t
Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?
Answers: 3
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assu...
English, 27.07.2019 03:30
English, 27.07.2019 03:30
Mathematics, 27.07.2019 03:30