2 years ago

There are 100 books in the libary. There are non fiction and fiction books write the fraction of the books that are fiction

1 answer:

6 0

Non fiction = x and fiction =y so x+y=100

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pogonyaev

Answer:

154/18, simplified to 77/9.

Step-by-step explanation:

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rewona [7]

Answer:

a. 8.66 minutes

Step-by-step explanation:

Since the flight times are uniformly distributed, the standard deviation can be calculated as follows:

$\sigma = \frac{b-a}{\sqrt{12}}$

Where '<em>b' </em>is the maximum flight time (150 minutes) and '<em>a' </em>is the minimum flight time (120 minutes):

$\sigma = \frac{150-120}{\sqrt{12}}\\\sigma = 8.66\ minutes$

The distribution's standard deviation is 8.66 minutes.

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Step-by-step explanation:

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Answer:

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2 years ago