The mean of hyper geometric probability distribution is expressed as _ – McqOptions

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1.	The mean of hyper geometric probability distribution is expressed as _____
A.	‚âà√≠¬¨‚à´=nD/N
B.	‚âà√≠¬¨‚à´=np
C.	‚âà√≠¬¨‚à´=r/p
D.	‚âà√≠¬¨‚à´=nN/D
Answer» B. ‚âà√≠¬¨‚à´=np

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