Answer on Statistics and Probability Question for Blenda
a)What is the probability that a new battery does work?
The probability that a new battery works is: (1 -& the probability that it doesn’t work) = 1 - 0.04 = 0.06
& b)A firm prodused 5000 batteries. How many would you expect to be faulty?
Expected value = x*p(x) = 5000*0.04 = 200
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