Mathematics, 23.12.2020 02:10 portielesc
Let X be the percentage score on a college-entrance exam for students who did not participate in an exam-preparation seminar. X is modeled by a uniform distribution on [a,100]. Let Y be the percentage score on a college-entrance exam for students who did participate in an exam-preparation seminar. Y is modeled by a uniform distribution on [1.25a,100]. It is given that E[X2]=19,6003. Calculate the 80th percentile of Y.
Answers: 1
Mathematics, 21.06.2019 18:40
Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?
Answers: 1
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 21.06.2019 21:20
Do you mind if you guys me with this question i’m on number 8
Answers: 1
Mathematics, 21.06.2019 22:00
You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar
Answers: 1
Let X be the percentage score on a college-entrance exam for students who did not participate in an...
Mathematics, 19.11.2019 12:31
Mathematics, 19.11.2019 12:31
Mathematics, 19.11.2019 12:31
Advanced Placement (AP), 19.11.2019 12:31
Computers and Technology, 19.11.2019 12:31
Biology, 19.11.2019 12:31
Mathematics, 19.11.2019 12:31
History, 19.11.2019 12:31
Mathematics, 19.11.2019 12:31