subject
Mathematics, 12.12.2020 16:00 shortiibrownskiin

Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard deviation 20.7. Find the first quartile Qy, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.)
The first quartile is
(Type an integer or decimal rounded to one decimal place as needed.)

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10
Answers: 2
question
Mathematics, 21.06.2019 19:00
1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?
Answers: 1
question
Mathematics, 21.06.2019 23:00
Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.
Answers: 3
question
Mathematics, 22.06.2019 00:00
The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.
Answers: 2
You know the right answer?
Assume that adults have IQ scores that are normally distributed with a mean of 101.2 and a standard...
Questions
question
Mathematics, 11.03.2020 02:17
question
Biology, 11.03.2020 02:17
Questions on the website: 13722361