3 years ago

In how many ways can you select 3 books to bring on vacation from a group of 11 books?

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

5 0

Answer:

u can select 3 books 9 ways

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IgorC [24]

The answer would be 5,875.00

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Drive Down is a racing video game. The game gives each player an initial amount of $5,000 in virtual money. After that, a player

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4 years ago

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Alenkasestr [34]

Answer:

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3 years ago

A recent survey found that 7575% of all adults over 50 wear glasses for driving. In a random sample of 4040 adults over 50, wh

malfutka [58]

Answer:

Mean = 30

standard Deviation = 2.74

Step-by-step explanation:

Formula

mean = np

Standard Deviation = $\sqrt{npq}$

from the question = 40

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q = 1 - p = 1 - 75% or 1 - 0.75

To find mean

mean = 40 x 0.75

= 30

For Standard Deviation (SD)

Standard Deviation = $\sqrt{npq}$

= $\sqrt{40 X 0.75 X 0.25$

= $\sqrt{7.5}$

:. Standard Deviation = 2.74

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3 years ago

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otez555 [7]

Answer:

YAYY

Step-by-step explanation:

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3 years ago