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3 years ago

Find the slope of the line passing through the pair of points. (–4, 5) and (0, 2)

2 answers:

7 0

The equation is (y2-y2)/(x2-x1), making sure to be constistant with which pair is 1 and 2. So let's say (0,2) is 1 and (-4,5) is 2. It looks like this:
(5-2)/(-4-0)=3/(-4)= -3/4 which is your answer

Fed [463]3 years ago

5 0

You would need to draw a graph or get some graph paper and plot those points. Then calculate the rise and the run. Rise is over the run. Then that is your slope. You get the rise by counting how many units up or down it takes to get to the point, and for the run, you count how many units across it is to get to the point. don't forget, if your units are going in a negative direction, then the number will be negative.

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In 1898 L. J. Bortkiewicz published a book entitled The Law of Small Numbers. He used data collected over 20 years to show that

attashe74 [19]

Answer:

(a) The probability of more than one death in a corps in a year is 0.1252.

(b) The probability of no deaths in a corps over 7 years is 0.0130.

Step-by-step explanation:

Let <em>X</em> = number of soldiers killed by horse kicks in 1 year.

The random variable $X\sim Poisson(\lambda = 0.62)$ .

The probability function of a Poisson distribution is:

$P(X=x)=\frac{e^{-\lambda}\lambda^{x}}{x!};\ x=0,1,2,...$

(a)

Compute the probability of more than one death in a corps in a year as follows:

P (X > 1) = 1 - P (X ≤ 1)

= 1 - P (X = 0) - P (X = 1)

$=1-\frac{e^{-0.62}(0.62)^{0}}{0!}-\frac{e^{-0.62}(0.62)^{1}}{1!}\\=1-0.54335-0.33144\\=0.12521\\\approx0.1252$

Thus, the probability of more than one death in a corps in a year is 0.1252.

(b)

The average deaths over 7 year period is: $\lambda=7\times0.62=4.34$

Compute the probability of no deaths in a corps over 7 years as follows:

$P(X=0)=\frac{e^{-4.34}(4.34)^{0}}{0!}=0.01304\approx0.0130$

Thus, the probability of no deaths in a corps over 7 years is 0.0130.

6 0

3 years ago

3 pe cat este egal cu 8 pe cat

NemiM [27]

Se puede escribir esto en Inglés por favor?

6 0

3 years ago

If f is a function, then f(3x)=3f(x)

Delvig [45]

This is false.
The f(3x) means you are multiplying the input 'x' by 3 before plugging into the equation.
3f(x) means you are going to multiply your answer (output) by 3 after you've plugged the input value in and gotten the output.

7 0

3 years ago

What is the length of the hypotenuse of the triangle?

masha68 [24]

10 star-root 2 end units

8 0

2 years ago

Read 2 more answers

What is 212% in a decimal

4vir4ik [10]

The answer is:

212/100

=(200/100)+(12/100)

=2.00+0.12

=2.12

7 0

3 years ago

Read 2 more answers