3 years ago

Hi what’s 0 divid. Ed bye o9sskwnqzjsmmskmsmskq?

Mathematics

1 answer:

Shtirlitz [24]3 years ago

3 0

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The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a m

photoshop1234 [79]

Answer: 0.1353

Step-by-step explanation:

Given : The mean of failures = 0.025 per hour.

Then for 8 hours , the mean of failures = $\lambda=8\times0.25=2$ per eight hours.

Let X be the number of failures.

The formula to calculate the Poisson distribution is given by :_

$P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}$

Now, the probability that the instrument does not fail in an 8-hour shift :-

$P(X=0)=\dfrac{e^{-2}2^0}{0!}=0.1353352\approx0.1353$

Hence, the the probability that the instrument does not fail in an 8-hour shift = 0.1353

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3 years ago

The seventh grade class is raising money to have a class trip at the end of the year. They began the year with $2,500. Now they

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21.6%

Step-by-step explanation:

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2 years ago

Which set of angles will be complimentary

White raven [17]

∠1 + ∠3 + 90° = 180°

∠1 + ∠3 = 90°

∠3 = ∠4 (vertically opposite angles)

∠1 + ∠4 = 90°

Therefore, the answer is ∠1 + ∠4

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3 years ago

select the three objectives mosquitoes hovered around the small puddle of still murky water in the background

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3 years ago

Substitute 3 for x and evaluate the expression below.

lana66690 [7]

Answer:4

Step-by-step explanation:3-8=-5. But because it is in absolute value, it would be positive 5. And then 5-1=4.

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