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kompoz [17]
3 years ago
12

a bag contains 9 marbles: 4 green 3 are red and 2 are blue what is the probability that the first marble is red and the second o

ne is blue write answer in simplest form.​
Mathematics
1 answer:
Korolek [52]3 years ago
3 0

Answer:

If the question states that they are not being replaced, then the answer is 1/8

If the question states that they are being replaced, then the answer is 1/9

Step-by-step explanation:

3/9 x 2/8 = 1/8

3/9 x 2/9 = 1/9

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The graph shows a probability distribution. What is P(1.5 ≤ X ≤ 3)? Enter your answer, as a decimal, in the box.
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The probability from 1.5 ≤ x ≤ 3 can be calculated by dividing the Area from x=1.5 to x=3 by the total Area of the distribution. 

The given distribution is rectangular shaped, so its Area will be = Length x Width = 1 x 3 = 3 square units

From x = 1.5 to x = 3, the length is 1.5 and width is 1. So the area between these two intervals = 1.5 square units.

Thus, <span>P(1.5 ≤ X ≤ 3) = 1.5/3 = 0.5
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3 years ago
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garik1379 [7]

Answer:

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Step-by-step explanation:

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2 years ago
A)Loss is denoted by a negative integer and profit is denoted by a positive integer. A
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Answer:

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Step-by-step explanation:

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