Asked by Anon101

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then a second marble is drawn.

1. What is the probability of selecting a purple marble and then a white marble?

2. What is the probability of selecting two white marbles?

3. Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row?

Show your work.

Answers

Answered by Anon101
i don't get this :(
Answered by PsyDAG
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

1. P(purple) = 7/9

Once purple is selected, P (white) = 2/(9-1)

Multiply.

2, 3. Use similar process and compare answers.
Answered by aaa
What is the probability of selecting a purple marble and then a white marble?
What is the probability of selecting two white marbles?
Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Show your work.
Answered by aaa1
What is the probability of selecting a purple marble and then a white marble?
What is the probability of selecting two white marbles?
Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Show your work.
What is the probability of selecting a purple marble and then a white marble?
What is the probability of selecting two white marbles?
Is there a greater chance of selecting two white marbles in a row or two purple marbles in a row? Show your work.
Answered by aaa1
The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.

The two figures shown below are congruent. Identify the corresponding sides and angles.
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