Answer on Statistics and Probability Question for Blenda
& a) What is the probability of a cooker not having in the first year?
The probability of not having a fault is: (1 -& the probability of having a fault) = 1 - 0.12 = 0.08
& b) If the 2000 cookers are produced, how many would you expect to develop a fault in the first year?
Expected value = x*p(x) = 2000*0.12 = 240
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