subject
Mathematics, 26.03.2021 03:10 natalie2sheffield

A fourth grade teacher gives homework every night in both mathematics and language arts. The time to complete the mathematics homework has a mean of 10 minutes and a standard deviation of 3 minutes. The time to complete the language arts assignment has a mean of 12 minutes and a standard deviation of 4 minutes. The time to complete the mathematics and the time to complete the language arts homework has a correlation rho = -0.75. The variance of the time to complete the entire homework assignment is

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, 0145813
Answer this question, only if you know the answer. 30 points and brainliest!
Answers: 1
image
Mathematics, 21.06.2019 17:00, zamudioj92p80d12
Issof claims that the scale factor is 1/2. which statement about his claim is correct
Answers: 3
image
Mathematics, 21.06.2019 20:20, studyowl9192
Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.
Answers: 2
image
Mathematics, 21.06.2019 21:00, zalyndevola
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
Answers: 3
You know the right answer?
A fourth grade teacher gives homework every night in both mathematics and language arts. The time to...

Questions in other subjects:

Konu
Mathematics, 13.09.2021 01:10