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5 votes
5 votes
there are 40 marbles in an urn: 14 are green and 26 are yellow. you reach into the urn and randomly select 4 marbles without replacement. what is the probability that at least one of the marbles is green

User Yulian
by
2.5k points

1 Answer

9 votes
9 votes

Answer:

p=0,83641536

Explanation:

Let's calculate the probability that all 4 marbles are yellow:

p=26/40*25/39*24/38*23/37 ( no replacement)

=0,1635846372688....

probability that at least one of the marbles is green= 1-p

=0,83641536...

User Walt Sellers
by
2.9k points
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