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Dennis_Churaev [7]

2 years ago

11

I need help quick!!!

1 answer:

babunello [35]2 years ago

5 0

Are you needing help with the last box or what are u needing help with ?

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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

Write out the form of the partial fraction decomposition of the function (as in this example). do not determine the numerical va

neonofarm [45]

$\frac{x^{4}-2x^{3}+x^{2}+7x-5}{x^{2}-2x+1} = x^{2}+\frac{a}{x-1}+\frac{b}{(x-1)^{2}}$
It looks like your first selection (a) is appropriate.

7 0

2 years ago

Using long division, what is the quotient of this expression?<br> X^4+4x^3-5x^2+x-3/x^2+x-3

Paladinen [302]

Answer:

Using long division method the answer is B

Step-by-step explanation:

x²+3x-5+(15x-18)/x²+x-3

7 0

2 years ago

The coordinates of a rectangle are (4,0), (8,0), (4, 10) and (8, 10). Which transformation results in a reduction in the

Cerrena [4.2K]

Answer:

It all depends on the reduction, like by 2 it would shrink half the size or 3it would get smaller but not bt much. So all deoends

Step-by-step explanation:

8 0

2 years ago

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the lightest zoo resident is a leaf cutter ant at 5 micrograms. the heaviest is a giraffe weighing 1,000 kilograms. about how ma

Kay [80]

200 times. Because 1000 divided of 5 is 200. You could divide it using the algorithm.

8 0

2 years ago

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