A box contains 25 widgets, 4 of which are defective. If 4 are sold at random, find the probability that (a) all are defective (b) none are defective.
A) ;
B) ;
C) ;
D) ;

Question

A box contains 25 widgets, 4 of which are defective. If 4 are sold at random, find the probability that (a) all are defective (b) none are defective.
A) ; 
B) ; 
C) ; 
D) ;

Quizplus · Accepted Answer

The Answer of A box contains 25 widgets, 4 of which are defective. If 4 are sold at random, find the probability that (a) all are defective (b) none are defective.
A) ; 
B) ; 
C) ; 
D) ;

A Box Contains 25 Widgets, 4 of Which Are Defective