subject
Mathematics, 03.08.2020 14:01 Alex9089435028

Assume that adults have it scores that are normally distributed with a mean of 99.6 and a standard deviation of 16.2 find the first quartile which is the hw score sepedafinf the bottom 25%

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie
Answers: 1
question
Mathematics, 22.06.2019 00:30
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
question
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
question
Mathematics, 22.06.2019 00:30
How can you find the magnitude of a vector, v = < x,y > , where the horizontal change is x and the vertical change is y?
Answers: 1
You know the right answer?
Assume that adults have it scores that are normally distributed with a mean of 99.6 and a standard d...
Questions
question
Mathematics, 08.10.2019 22:00
question
History, 08.10.2019 22:00
question
Mathematics, 08.10.2019 22:00
question
Mathematics, 08.10.2019 22:00
Questions on the website: 13722359