

MCQOPTIONS
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1. |
If the total number of elements with some specific characteristics is 18 from a population of 40 and the sample is drawn without replacement with the size of 4 then the mean of hyper geometric probability distribution is |
A. | 4.8 |
B. | 1.8 |
C. | 2.8 |
D. | 3.8 |
Answer» C. 2.8 | |