Answer:
-6.8125
Step-by-step explanation:
Convert 13/16 to a decimal.
Write -6 down
You get -6.8125.
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Answer:
11: 5
Step-by-step explanation:
22 feet: 10 inches Reduce. 22/10 = 11/5
Answer:
C
Step-by-step explanation:
Move the decimal to the right 4 times
Answer:
287.9
Step-by-step explanation:
4 or less let it rest 5 or more add one more
Answer:
Step-by-step explanation:
Given that X and Y are independent random variables with the following distributions:
x -1 10 1 2 Total
p 0.3 0.1 0.5 0.1 1
xp -0.3 1 0.5 0.2 1.4
x^2p 0.3 10 0.5 0.4 11.2
Mean of X = 1.4
Var(x) = 11.2-1.4^2 = 9.24
y 2 3 5
p 0.6 0.3 0.1 1
yp 1.2 0.9 0.5 0 2.6
y^2p 2.4 2.7 2.5 0 7.6
Mean of Y = 2.6
Var(Y) = 11.2-1.4^2 = 0.84
3) W=3+2x
Mean of w =3+2*Mean of x = 7.2
Var (w) = 0+2^2 Var(x)= 36.96
