jlwomwa jlwomwa

14-11-2014
Mathematics

Answered

four of the 50 digital video recorders in an inventory are known to be defective. what is the probability you randomly select an item that is not defective?

Answer :

Kalahira Kalahira

18-04-2017

There are 4 defective digital video recorders out of 50 digital video recorders. Probability that a video recorder is defective = 4/50 = 2/25 = 0.08. Therefore, probability that a video recorder is not defective = 1 - 4/50 = 46/50 = 23/25 = 0.92
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