Answer:
0.0078125
Step-by-step explanation:
Probability of tail, p = 0. 5
Probability of getting all tails from 7 tosses :
P(tail) * P(tail) * P(tail) * P(tail) * P(tail) * P(tail) * P(tail)
0.5 * 0.5 * 0.5 * 0.5 * 0.5 * 0.5 * 0.5 = 0.0078125
We could also use the binomial probability formula :
P(x =x) = nCx * p^x * (1 - p)^(n - r)
n = 7 ; x = 7, p = 0.5,
P(x = 7) = 7C7 * 0.5^7 * 0.5^0 = 0.0078125
Answer:
I believe its 3.4-?
Step-by-step explanation:
The mean is 3 fish per day.
(0+3+6) = 9
9/3 = 3
Answer:
1/6 a cup on each bowl
Step-by-step explanation:
1/2 divided by 3 is 1/6
Answer:
![x=0](https://tex.z-dn.net/?f=x%3D0)
Step-by-step explanation:
![5(3x-2)=-x-10~(Given)\\\\15x-10=-x-10~(Distribute~5~to~3x-2)\\\\15x-10+x=-x-10+x~(Add~x~on~both~sides)\\\\16x-10=-10~(Simplify)\\\\16x-10+10=-10+10~(Add~10~on~both~sides)\\\\16x=0~(Simplify)\\\\\frac{16x}{16}=\frac{0}{16}~(Divide~16~on~both~sides)\\\\x=0~(Simplify)](https://tex.z-dn.net/?f=5%283x-2%29%3D-x-10~%28Given%29%5C%5C%5C%5C15x-10%3D-x-10~%28Distribute~5~to~3x-2%29%5C%5C%5C%5C15x-10%2Bx%3D-x-10%2Bx~%28Add~x~on~both~sides%29%5C%5C%5C%5C16x-10%3D-10~%28Simplify%29%5C%5C%5C%5C16x-10%2B10%3D-10%2B10~%28Add~10~on~both~sides%29%5C%5C%5C%5C16x%3D0~%28Simplify%29%5C%5C%5C%5C%5Cfrac%7B16x%7D%7B16%7D%3D%5Cfrac%7B0%7D%7B16%7D~%28Divide~16~on~both~sides%29%5C%5C%5C%5Cx%3D0~%28Simplify%29)