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4 years ago

Four times the sum of a number and 6 is 5

Mathematics

1 answer:

aalyn [17]4 years ago

4 0

Answer:

Step-by-step explanation:

Let the number be x

4(x + 6) = 5

4x +24 = 5

4x = 5 - 24

4x = -19

x = -19/4

x = -4 3/4

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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Number of Women, n(W)=3

Total Sample, n(S)=24+3=27

Since you cannot appoint the same person twice, the probabilities are <u>without replacement.</u>

(a)Probability that both appointees are men.

$P(MM)=\dfrac{24}{27}X \dfrac{23}{26}=\dfrac{552}{702}\\=\dfrac{92}{117}$

(b)Probability that one man and one woman are appointed.

To find the probability that one man and one woman are appointed, this could happen in two ways.

A man is appointed first and a woman is appointed next.
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(c)Probability that at least one woman is appointed.

The probability that at least one woman is appointed can occur in three ways.

A man is appointed first and a woman is appointed next.
A woman is appointed first and a man is appointed next.
Two women are appointed

P(at least one woman is appointed) $=P(MW)+P(WM)+P(WW)$

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Therefore:

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