Standard deviation of the number of defective lamps


A company sells lamps, of which 15% are defective.

(a) What is the probability that in a box of 14 lamps, there will be at most 3 defectives?

(b) How many defective lamps would you expect to find in a box of 14 lamps?

(c) What is the standard deviation of the number of defective lamps in this box?

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Basic Statistics: Standard deviation of the number of defective lamps
Reference No:- TGS0737855

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