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Suppose that the members a population are numbered 1 through 5. This list all the possible...

Suppose that the members a population are numbered 1 through 5. This list all the possible sample (without replacement)from the relatively small population including the following: 123,124, 125, 134, 135, 145, 134, 235, 245, and 345. If we are dealing with simple random sampling, what is the probability of selecting a sample of size three? is it 3/10. 1/10, 1/2, 3/5

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Answer #1

The probability of selecting three sample from population is 1/10 ,N=10

Probability of selecting n sample from population (N) in simple random sampling is 1/N (SRSWOR)

Simple random sampling without replacement is a method of selecting n units out of N units one by one in any stage the chance of selection is equal or we say that each unit has equal probability of selection.

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