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4 years ago

Write the equation of the line parallel to the given line and passing through the given point. y=x+5 through (8,1)

Mathematics

1 answer:

aleksklad [387]4 years ago

8 0

$y - mx = b \\ 1 - 1(8) = b \\ 1 - 8 = b \\ - 7 = b \\ y = x - 7$

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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

Josh and Anthony hace a lemonade stand. They charge $1 for 2 cups of lemonade. They sell 14 cups each afternoon. Is it reasonabl

irga5000 [103]

Answer:

$1 for 2 cups

14 cups / 2 cups = 7

Each afternoon they earn $7

3 afternoon: $7 x 3 = $21

Not reasonable...

Step-by-step explanation:

4 0

4 years ago

There were 212 089 visitors to a tourist attraction last year. Express this

Montano1993 [528]

Answer:

212,000

Step-by-step explanation:

212 089, better written as 212,089, rounds down to 212,000.

As an example, 212,589 would round up to 213,000, and

212,389 would round down to 212,000.

4 0

3 years ago

show work plz answers i know just tell me the equation that equals the answer or explain all how to do it

Gelneren [198K]

Are you forgetting to add an image? Or did you mean to include more text? Please review your problem before posting it next time.

5 0

3 years ago

Read 2 more answers

Explain how to angles can be supplementary angles?

Whitepunk [10]

Answer:

if the sum of all the angles equal 180

Step-by-step explanation:

4 0

3 years ago

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