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Q4) Given that the expected number of defective machines is 2 if 20 machines are shipped....

Q4) Given that the expected number of defective machines is 2 if 20 machines are shipped.

i. Find the probability of good machines manufactured by the company.

ii. What is the probability that at least 4 are defective?

iii. What are the expected number and standard deviation of good machines in a

Math   Statistics-And-Probability   
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