Suppose a population consisted of 20 items. How many different sample of n = 3 are possible?Question 13Select one:a.20b.120c.1140d.6840
Question
Solution 1
The number of different samples of n=3 from a population of 20 can be calculated using the combination formula, which is:
C(n, r) = n! / [r!(n-r)!]
where:
- n is the total number of items,
- r is the number of items to choose,
- "!" denotes factorial, which is the product of all positive integers Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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