Answer:
y= -3x+2
Step-by-step explanation:
Answer: 14:2, 35:5, 21:3
Step-by-step explanation:
4b^-6
When u have a negative exponent, u simply take the reciprocal. So the answer is
4/b^6
COMPLETE QUESTION:
Find some means. Suppose that X is a random variable with mean 30 and standard deviation 4. Also suppose that Y is a random variable with mean 50 and standard deviation 8. Find the mean of the random variable Z for each of the following cases. Be sure to show your work.
a) Z = 35-10X
b) Z = 12X-5
c) Z = X+Y
d) Z = X-Y
e) Z = 2X+2Y
Answer:
a) -265
b) 355
c) 80
d) -20
e) 40
Step-by-step explanation:
The attachment below contains the whole calculations that provides for the answers above
5 units is the exact answer. I hope it is the exact.