Multiple Choice
The J.O.Supplies Company buys calculators from a Korean supplier.The probability of a defective calculator is 10%. If 100 calculators are selected at random,what is the standard deviation of the number of defectives?
A) 9.00
B) 3.17
C) 9.49
D) 3.00
Correct Answer:

Verified
Correct Answer:
Verified
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