Asked by Anna
A bag contains 7 red chips and 9 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color?
Answers
Answered by
PsyDAG
To get the first red chip = 7/16, for the second 6/15. The probability of both occurring is found by multiplying the individual probabilities.
To get the first blue chip = 9/16, for the second 8/15. The probability of both occurring is found by multiplying the individual probabilities.
The probability of getting either 2 blue or two red is found by adding the probabilities of your two previous answers.
To get the first blue chip = 9/16, for the second 8/15. The probability of both occurring is found by multiplying the individual probabilities.
The probability of getting either 2 blue or two red is found by adding the probabilities of your two previous answers.
Answered by
Anonymous
pig
Answered by
Anonymous
2/7
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