SAT, 03.12.2021 18:40 groverparham3
A random variable x has a mean of 120 and a standard deviation of 15. A random variable y has a mean of 100 and a standard deviation of 9. If x and y are independent, approximately what is the standard deviation of x - y ?.
Answers: 3
SAT, 26.06.2019 05:00
Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.
Answers: 1
SAT, 26.06.2019 06:30
Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.
Answers: 1
SAT, 28.06.2019 10:30
How many soccer players are there that are only getting paid as a career? ? plz give correct info
Answers: 1
SAT, 29.06.2019 01:00
Balanced rock sits on a thin spike of rock in a canyon what forces keep the rock balanced on its tiny pedestal
Answers: 1
A random variable x has a mean of 120 and a standard deviation of 15. A random variable y has a mean...
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