Answer:
- $0.053
Step-by-step explanation:
Bet fee = $1
Probability of red = 18 / 38
Probability of black = 18/38
Probability of green = 2 / 38
x : ____1 _____ - 1 _____ - 1
P(x) : __ 18/38___ 18/38____ 2/38
Mean or expected value, E(X) = Σx*p(x) = (18/38) * * (-18/38) * (-2/38)
E(X) = - 0.052631
E(X) = - $0.053
Answer:
d) 
Step-by-step explanation:
we simplify
by doing 7 x 2 = 14
so it is now

to check, we can use a calculator.
7 to the power of 14 = 678223072849
and
7 to the power of 7, squared also = 678223072849
Hope this helps!
Answer:
25≥ w
i dont have the inquality sign
Step-by-step explanation:
multiply both sides by 5/4
convert the feet to inches
1 foot = 12 inches
so 1.5 ft =1.5*12 = 18 inches
now multiply all 3
14*18*7 = 1764 cubic inches