Mathematics, 12.12.2020 17:00 xcoder3957
On a nationwide test taken by high school students, the mean score was 46 and the standard deviation was 13. The scores were normally distributed. Complete the following statements.
(a) Approximately % of the student scored between 20 and 72.
(b) Approximately 99.7% of the students scored between __ and ___.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 21:00
Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.
Answers: 1
Mathematics, 21.06.2019 23:00
The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?
Answers: 3
Mathematics, 21.06.2019 23:00
Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10
Answers: 1
Mathematics, 22.06.2019 00:50
Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters
Answers: 2
You know the right answer?
On a nationwide test taken by high school students, the mean score was 46 and the standard deviation...
Questions
Mathematics, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
Spanish, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
Chemistry, 29.04.2021 23:00
Biology, 29.04.2021 23:00
Advanced Placement (AP), 29.04.2021 23:00
History, 29.04.2021 23:00
Biology, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
Mathematics, 29.04.2021 23:00
