2 years ago

Please help I will mark Brainly

Mathematics

2 answers:

Sedbober [7]2 years ago

8 0

The answer for your question is 686

uysha [10]2 years ago

7 0

The answer is the third one, 686.

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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

3 years ago

Find (-1) * (-(-2)) * (-(-(-3))) * (-(-(-(-4)))).

Brums [2.3K]

Answer:

Step-by-step explanation:

4 0

1 year ago

Read 2 more answers

Can someone help me on these

grandymaker [24]

Answer:

Almost every question you ask can and will be answered if asked in a right why

6 0

2 years ago

Kyle is making 9 birdhouses. He uses 8 nails for each birdhouse. If Kyle has a box of 100 nails, how many nails will he have lef

iragen [17]

9 x 8 = 72
100 - 72 =28

Hope this helps

7 0

2 years ago

timama [110]

Answer:

25π units^2

Step-by-step explanation:

The shape is a quarter circle with radius 10 units.

area of circle = πr^2

area of a quarter circle = (1/4)π(10 units)^2

area = 25π units^2

5 0

2 years ago