A population contains N items out of which n items are selected with replacement. Find the probability of the sample being selected.
A. 1/N
B. 1/nN
C. 1/NCn
D. 1/Nn
Answer:D
A population contains N items out of which n items are selected with replacement. Find the probability of the sample being selected.
A. 1/N B. 1/nN C. 1/NCn D. 1/Nn
Explanation: The number of samples containing n items selected from a population of N items is Nn. The probability of selection of each sample is 1/Nn.