2 years ago

Please answer this question

Mathematics

1 answer:

stira [4]2 years ago

3 0

Graph 1: Domain = 2 <= x < 12

Graph 1: Range = {2,4}

Graph 2: Domain = 3 <= x <= 10

Graph 2: Range = -6 <= y <= 4

Graph 3: Domain = 4 < x < 11

Graph 4: Range = -6 <= y < 2

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wlad13 [49]

Answer: 0.6767

Step-by-step explanation:

Given : Mean = $\lambda=2$ errors per page

Let X be the number of errors in a particular page.

The formula to calculate the Poisson distribution is given by :_

$P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}$

Now, the probability that a randomly selected page does not need to be retyped is given by :-

$P(X\leq2)=P(0)+P(1)+P(2)\\\\=(\dfrac{e^{-2}2^0}{0!}+\dfrac{e^{-2}2^1}{1!}+\dfrac{e^{-2}2^2}{2!})\\\\=0.135335283237+0.270670566473+0.270670566473\\\\=0.676676416183\approx0.6767$

Hence, the required probability :- 0.6767

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Step-by-step explanation:

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m-3x=2x+p
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