Please help me answer this question :((
ACT math scores for a particular year are approximatel...
Mathematics, 14.04.2020 19:32 maybellforever120215
Please help me answer this question :((
ACT math scores for a particular year are approximately normally distributed with a mean of 28 and a standard deviation of 2.4
Part A: What is the probability that a randomly selected score is greater than 30.4?
Choices: 13.5%, 5%, 16%, 34%
Part B: What is the probability that a randomly selected score is less than 32.8%
Choices: 97.5%, 2.5%, 50%, 47.5%
Part C: What is the probability that a randomly selected score is between 25.6 and 32.8
Choices: 68%, 95%, 81.5%, 16%
Answers: 2
Mathematics, 21.06.2019 21:00
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 21:30
Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?
Answers: 1
Mathematics, 22.06.2019 00:00
The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?
Answers: 1
Mathematics, 22.06.2019 00:00
Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.
Answers: 2
Mathematics, 26.10.2021 20:00
Mathematics, 26.10.2021 20:00
History, 26.10.2021 20:00
Chemistry, 26.10.2021 20:00
Physics, 26.10.2021 20:00
Social Studies, 26.10.2021 20:00
Arts, 26.10.2021 20:00