3 years ago

Need help asap the graphs below have the same shape. what is the equation of the red graph?

Mathematics

1 answer:

exis [7]3 years ago

3 0

Answer:

The highlighted one is correct

B F(x) = 2 - x²

Step-by-step explanation:

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The number of typing errors made by a typist has a Poisson distribution with an average of two errors per page. If more than two

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

6 0

4 years ago

Convert 48/7 into a mixed number

Masja [62]

Answer:

6 6/7

Step-by-step explanation:

So basically you would start off by asking how many 7s go into 48. the lowest number is 42. 6 7s go into 42. then 6 is the rest.

6 0

3 years ago

Can you Solve this plzzz nerd ur help<br><br>6÷2(1+2)=

Mkey [24]

Answer:

Step-by-step explanation:

(do 1+2 first) then (6 divided by 2) then 3x3 and you will get 9

3 0

3 years ago

What are the roots of the polynomial equation XP-7x= 6x-12? Use a graphing calculator and a system of equations.

Julli [10]

Answer: option B

Step-by-step explanation:

-4, 1, 3

6 0

3 years ago

Ms.Bryson has decieded to cut the amount of problems she assigns for homework from 40 to 12. What is the percent of decrease?

OleMash [197]

40 - 12 = 28

28 / 40 = 0.7

0.7 * 100 = 70%

The percentage decrease is 70%.

6 0

4 years ago