subject
Mathematics, 11.01.2021 04:40 julietmusyoki5

Given independent random variables with means and standard deviations as shown, find the mean and standard deviation of each of these variables: a) 4X
B) 5Y+2
C) 4X+2Y
D) 3X-4Y
E) X1+X2

Mean SD
X 100 14
Y 15 2

a) Find the mean and standard deviation for the random variable 4X
E(4X) =
SD(4X)=

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:20
Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Arecipe calls for 32 fluid ounces of heavy cream.how many 1 pint containers of heavy cream are needed to make the recipe?
Answers: 2
question
Mathematics, 21.06.2019 20:00
How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.
Answers: 1
question
Mathematics, 21.06.2019 21:10
The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o
Answers: 1
You know the right answer?
Given independent random variables with means and standard deviations as shown, find the mean and st...
Questions
question
Mathematics, 19.08.2019 01:30
question
Biology, 19.08.2019 01:30
question
Mathematics, 19.08.2019 01:30
Questions on the website: 13722359