Asked by Anonymous
the j.o supplies company buys calculators from a 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.
Answers
Answered by
MathGuru
Standard deviation = √npq
n = 100
p = .1
q = 1 - p
I'll let you take it from here.
n = 100
p = .1
q = 1 - p
I'll let you take it from here.
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