10. An urn contains. n tickets numbered from 1 to n and m tickets are drawn one by one without replacements from the urn. What is the mathematical expectation of the sum of the numbers drawn?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...
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10. An urn contains. n tickets numbered from 1 to n and m tickets
are drawn one by one without replacements from the urn. What is the
mathematical expectation of the sum of the numbers drawn?
Transcribed Image Text:10. An urn contains. n tickets numbered from 1 to n and m tickets are drawn one by one without replacements from the urn. What is the mathematical expectation of the sum of the numbers drawn?
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