Nine out of the 50 newly built printers are selected at random to be checked for quality. Suppose 10 out these 50 are defective. Find the following probabilities.
a. None of the printers are defective.
b. Three of the selected are defective.
c. All are defective.
a. None of the printers are defective.
b. Three of the selected are defective.
c. All are defective.
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ANSWER;
C.ALL ARE DEFECTIVE
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