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Kay [80]
3 years ago
15

19. Suppose 3 marbles are drawn without replacement from a bag containing 3 yellow and 4 white marbles. (a) Draw a histogram for

the number of yellow marbles in the sample. (b) What is the expected number of yellow marbles in the sample?

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

(a) see attachment

(b) E(x) = 226/105

Step-by-step explanation: see attachment

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Haos dog ate 40 cns of dog food in 31 day. how many cans should hao buy to feed his dog in 6 days
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Express the volume of the box as a<br>polynomial in the variable x
Whitepunk [10]

The volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

<h3>How to determine the volume?</h3>

The complete question is added as an attachment

From the attached image, we have:

Length = 12 - 2x

Width = 7 - 2x

Height = x

The volume is calculated as:

Volume = Length * Width * Height

Substitute the known values in the above equation

Volume = (12 - 2x) * (7 - 2x) * x

This gives

Volume = x(12 - 2x)(7 - 2x)

Hence, the volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

Read more about polynomial at:

brainly.com/question/4142886

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