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QUESTION
An urn contains 11 white balls and 10 green balls. A sample of seven is selected at random. What is the probability that the sample contains at least...
An urn contains 11 white balls and 10 green balls. A sample of seven is selected at random. What is the probability that the sample contains at least one green ball?
a) 0.0001
b) 0.0397
c) 0.9603
d) 0.9972
e) 0.9999
f) None of the above.
