3 years ago

A pile of 10 000 sheets of paper is 85 cm thick what is the thickness of 1 sheet of paper

Mathematics

1 answer:

leonid [27]3 years ago

3 0

Answer:

0.0085 centimeters.

Step-by-step explanation:

85/10000 is equal to 0.0085 centimeters, which is absurdly thin for anything, really.

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The lengths of human pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. What is t

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Answer: A. 0.0164

Step-by-step explanation:

Given : The lengths of human pregnancies are normally distributed with a mean $\mu=268\text{ days}$

Standard deviation : $\sigma=15\text{ days}$

Let X be the random variable that represents the length of pregnancy of a randomly selected human .

z-score : $z=\dfrac{X-\mu}{\sigma}$

For X = 300

$z=\dfrac{300-268}{15}\approx2.13$

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$P(X\geq300)=P(z\geq 2.1333)=1-P(z$

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3 years ago

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STatiana [176]

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Step-by-step explanation:

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