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4 years ago

15

Need to find common denominators for 58/2.9 and 58/5

2 answers:

Mandarinka [93]4 years ago

8 0

The smallest common denominator is 2.9 x 5 = 14.5

Margaret [11]4 years ago

7 0

The smallest common denominator would be 5 times 2.9 which is 14.5

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3 years ago

Determine whether the following individual events are independent or dependent. Then find the probability of the combined event.

Natali [406]

Answer:

Dependent event

$P(Red = 2) = \frac{5}{588}$

Step-by-step explanation:

Given

$Total = 49$

$Red = 5$

Solving (a): Are the events dependent?

Yes, they are.

When the first red candy is selected and eaten, the total number of candies reduced to 48 and the number of red candies also reduced to 4.

So, the probability of selecting a 2nd candy is dependent on the first candy selected.

Solving (b): P(Red = 2)

This is calculated as:

$P(Red = 2) = P(Red) * P(Red | Red)$

The first selection has the following probability:

$P(Red) = \frac{Red}{Total}$

$P(Red) = \frac{5}{49}$

The second selection has the following probability:

$P(Red|Red) = \frac{Red - 1}{Total - 1}$

$P(Red|Red) = \frac{5 - 1}{49 - 1}$

$P(Red|Red) = \frac{4}{48}$

So, we have:

$P(Red = 2) = P(Red) * P(Red | Red)$

$P(Red = 2) = \frac{5}{49} * \frac{4}{48}$

Reduce fraction

$P(Red = 2) = \frac{5}{49} * \frac{1}{12}$

Multiply

$P(Red = 2) = \frac{5}{588}$

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3 years ago