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3 years ago

Helppppppppppppp ASAP

Mathematics

2 answers:

zvonat [6]3 years ago

8 0

Option c because I took the test

Ivan3 years ago

6 0

The formula for N choose K is given as:

C(n, k)= $\frac{n!}{[k!(n-k)!] }$

Where,

n is the total numbers.

k is the number of the selected item.

Options C is correct.

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A marble is selected at random from a jar containing 3 red marbles, 4 yellow marbles, and 6 green marbles. What is the probabi

alexgriva [62]

Answer: a) $\dfrac{3}{13},\ b)\dfrac{9}{13}\ c)\dfrac{9}{13},\ d)\dfrac{4}{13}$

Step-by-step explanation:

Since we have given that

Number of red marbles = 3

Number of yellow marbles = 4

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a) the marble is red?

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b) the marble is not yellow?

Probability of not getting yellow = $\dfrac{3+6}{13}=\dfrac{9}{13}$

c) the marble is either red or green?

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d) the marble is neither red nor green?

Probability of getting neither red nor green = P(getting yellow) = $\dfrac{4}{13}$

Hence, a) $\dfrac{3}{13},\ b)\dfrac{9}{13}\ c)\dfrac{9}{13},\ d)\dfrac{4}{13}$

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3 years ago

Which do you think will have a greater value, 1/8 of one pound gold or 1/4 of lead? Why?

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<span>if you multiply 1/8 by 4, the fraction become 4/32, and if you multiply 1/4 by 8 you get 8/32.Since both fractions have the same denominator, we can find which fraction has the greater value. Since 1/4(8/32) has a greater numerator, the 1 pound of lead will have a larger value.</span>

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