Mathematics, 24.02.2021 04:10 elisameza
Please help :(
Use the normal distribution of SAT critical reading scores for which the mean is 501 and the standard deviation is 113. Assume the variable x is normally distributed.
(a)
What percent of the SAT verbal scores are less than 650​?
(b)
If 1000 SAT verbal scores are randomly​ selected, about how many would you expect to be greater than 550​?
Answers: 1
Mathematics, 21.06.2019 16:00
Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle
Answers: 1
Mathematics, 22.06.2019 00:30
How many doughnuts are equal to 20 cookies.? 3 apples = 5 bananas6 cookies = 7 apples2 doughnuts = 1 banana
Answers: 2
Mathematics, 22.06.2019 04:00
20 points - ! gia decides to buy square tiles to cover her kitchen floor. the tiles are 18” square tiles and cost $3.85 each. how much will it cost to tile her kitchen if the measurements are 11’ x 12’?
Answers: 1
Please help :(
Use the normal distribution of SAT critical reading scores for which the mean is 501...
Mathematics, 28.08.2019 19:30
Social Studies, 28.08.2019 19:30
Mathematics, 28.08.2019 19:30
Mathematics, 28.08.2019 19:30
Mathematics, 28.08.2019 19:30
Mathematics, 28.08.2019 19:30
English, 28.08.2019 19:30