Patterns and functions

Mathematics

1 answer:

Rashid [163]3 years ago

7 0

A.
9(1)+4=13
9(2)+4=22
9(3)+4=31
etc

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If y has moment-generating function m(t) = e 6(e t −1) , what is p(|y − µ| ≤ 2σ)?

Lostsunrise [7]

Since $\mathrm M_Y(t)=e^{6(e^t-1}$ , we know that $Y$ follows a Poisson distribution with parameter $\lambda=6$ .

Now assuming $\mu,\sigma$ denote the mean and standard deviation of $Y$ , respectively, then we know right away that $\mu=6$ and $\sigma=\sqrt6$ .

So,

$\mathbb P(|Y-\mu|\le2\sigma)=\mathbb P(6-2\sqrt6\le Y\le6+2\sqrt6)=\dfrac{66366}{175e^6}\approx0.940028$

6 0

3 years ago

HELP PLEASEEEEE <br> WILL GIVE BRAINLIEST AND GOOD RATING!!!!

torisob [31]

Answer:

The second one

Step-by-step explanation:

7 0

2 years ago

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shusha [124]