Question

A jar contains 12 marbles: 4 red, 5 blue, and 3 orange. If you pull 3 marbles without replacement, what is the probability of getting all three colors in the order of blue, orange, red? What is the probability of getting all orange?​

Answer 1

Given: Total number of marbles in the jar

=12

Number of red marbles =4

Number of blue marbles =5

Number of orangle marbles = 3

3 marbles are pulled out without replacement.

To find: The probability of getting all three colors in the order of blue, orange and red

The probability of getting all orange

Solution: For the first question, we need to find the probability of pulling a blue marble out of 12 marbles.

So the probability of pulling a blue marble =5/12.

Now since we are not replacing the marble, we have to find the probability of pulling a orange marble out of 11 marbles.

So the probability of pulling a red marble =4/11 .

Now, the probability of pulling an orange marble out of 10 marbles =3/10 .

Therefore e, the probability of getting all three colors in the order of blue, orange

For the second question,

For the first pull, the probability of getting an orange rble = 3/12 .

For the second pull, the probability of getting an orange Je = 2/11 .

For the third pull, the probability of getting an orange Jle = 1/10 .

Therefore, the probability of getting all orange

=3/12*2/11*1/10

=1/220

Answer: 1/22 and 1/220

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Answer 2

Answer:

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Step-by-step explanation:

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