# Answer to Question #2936 in Statistics and Probability for Blenda

Question #2936

The probability that ea new battery does not work is 0.04.<br>a) what is the probability that e new battery does work? <br>b)A firm prodused 5000 batteries. How many would you expect to be faulty?

Expert's answer

The probability that a new battery does not work is 0.04.

a)What is the probability that a new battery does work?

Solution:

The probability that a new battery works is: (1 -& the probability that it doesn’t work) = 1 - 0.04 = 0.06

Answer: 0.06

& b)A firm prodused 5000 batteries. How many would you expect to be faulty?

Solution:

Expected value = x*p(x) = 5000*0.04 = 200

Answer: 200

a)What is the probability that a new battery does work?

Solution:

The probability that a new battery works is: (1 -& the probability that it doesn’t work) = 1 - 0.04 = 0.06

Answer: 0.06

& b)A firm prodused 5000 batteries. How many would you expect to be faulty?

Solution:

Expected value = x*p(x) = 5000*0.04 = 200

Answer: 200

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