X = b - cd
x - b = -cd
x - b/d = -c
-x - b/d = c
c = -x - b/d
hope that helps, God bless!
Answer:
P(x < 3) = 0.1971
Explanation:
To calculate the probability that x babies weigh more than 20 pounds, we will use the binomial distribution, so it can be calculated as:
![\begin{gathered} P(x)=nCx\cdot p^x\cdot(1-p)^{n-x} \\ Where\text{ nCx=}\frac{n!}{x!(n-x)!} \\ \\ With\text{ n = size of sample} \\ p=\text{ probability of success \lparen the baby weight more than 20 pounds\rparen} \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%20P%28x%29%3DnCx%5Ccdot%20p%5Ex%5Ccdot%281-p%29%5E%7Bn-x%7D%20%5C%5C%20Where%5Ctext%7B%20nCx%3D%7D%5Cfrac%7Bn%21%7D%7Bx%21%28n-x%29%21%7D%20%5C%5C%20%20%5C%5C%20With%5Ctext%7B%20n%20%3D%20size%20of%20sample%7D%20%5C%5C%20p%3D%5Ctext%7B%20probability%20of%20success%20%5Clparen%20the%20baby%20weight%20more%20than%2020%20pounds%5Crparen%7D%20%5Cend%7Bgathered%7D)
So, replacing n = 16 and p = 0.25, we get that the probability is equal to
P(x) = 16Cx (0.25)^x (1 - 0.25)^(16 - x)
![P(x)=16Cx\cdot0.25^x\cdot(1-0.25)^{16-x}](https://tex.z-dn.net/?f=P%28x%29%3D16Cx%5Ccdot0.25%5Ex%5Ccdot%281-0.25%29%5E%7B16-x%7D)
Now, the probability that fewer than three weights more than 20 pounds are equal to
![\begin{gathered} P(x](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%20P%28x%3C3%29%3DP%280%29%2BP%281%29%2BP%282%29%20%5C%5C%20Where%20%5C%5C%20P%280%29%3D16C0%5Ccdot0.25%5E0%5Ccdot%281-0.25%29%5E%7B16-0%7D%3D0.01%20%5C%5C%20P%281%29%3D16C1%5Ccdot0.25%5E1%5Ccdot%281-0.25%29%5E%7B16-1%7D%3D0.0535%20%5C%5C%20P%282%29%3D16C2%5Ccdot0.25%5E2%5Ccdot%281-0.25%29%5E%7B16-2%7D%3D0.1336%20%5Cend%7Bgathered%7D)
Then
P(x < 3) = 0.01 + 0.0535 + 0.1336
P(x < 3) = 0.1971
Therefore, the answer is
P(x < 3) = 0.1971
You need to add the second number and the answer to get your answer
A. 2
B.6
D.5
F.4
G. 3
Answer:
25x-4
Step-by-step explanation:
5x^2=5x multiplied by 5x= 25x
25x-4 is simpliest form and evaluated
Have a great day, and good luck!
The sum is 41.22 because first you turn all of the fractions into decimals and then it’s easier to add them all together all at once.