A bag contains 7 red marbles, 5 white marbles, and 7 blue marbles. You draw 3 marbles out at random, without replacement. (This is an excellent thinking problem. Try to figure out a good way to find these probabilities.) {Give decimals accurate to at least 5 decimal places, as needed.} What is the probability that all the marbles are red? The probability that all the marbles are red is . What is the probability that exactly two of the marbles are red? The probability that exactly two of the marbles are red is . What is the probability that none of the marbles are red? The probability of picking no red marbles is .
A bag contains 7 red marbles, 5 white marbles, and 7 blue marbles. You draw 3 marbles out at random, without replacement. (This is an excellent thinking problem. Try to figure out a good way to find these probabilities.) {Give decimals accurate to at least 5 decimal places, as needed.} What is the probability that all the marbles are red? The probability that all the marbles are red is . What is the probability that exactly two of the marbles are red? The probability that exactly two of the marbles are red is . What is the probability that none of the marbles are red? The probability of picking no red marbles is .
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 5SE: The union of two sets is defined as a set of elements that are present in at least one of the sets....
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A bag contains 7 red marbles, 5 white marbles, and 7 blue marbles. You draw 3 marbles out at random, without replacement. (This is an excellent thinking problem. Try to figure out a good way to find these probabilities.)
{Give decimals accurate to at least 5 decimal places, as needed.}
What is the probability that all the marbles are red?
The probability that all the marbles are red is .
What is the probability that exactly two of the marbles are red?
The probability that exactly two of the marbles are red is .
What is the probability that none of the marbles are red?
The probability of picking no red marbles is .
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