Question
Five percent of the parts produced by machine are defective. Fifteen parts are selected at random Use the binomial probability tables to answer the following questions_ (a) What is the probability that exactly parts will be defective? (Round your answer to four decimal places_ (b) What is the probability that the number of defective parts will be more than but fewer than 6? (Round your answer to four decimal places:) (c) What is the probability that fewer than parts will be defective? (Round you
Five percent of the parts produced by machine are defective. Fifteen parts are selected at random Use the binomial probability tables to answer the following questions_ (a) What is the probability that exactly parts will be defective? (Round your answer to four decimal places_ (b) What is the probability that the number of defective parts will be more than but fewer than 6? (Round your answer to four decimal places:) (c) What is the probability that fewer than parts will be defective? (Round your answer to four decimal places: (d) What is the expected number of defective parts? (e) What is the variance for the number of defective parts?


Answers
Quality Control The probability that a certain machine turns out a defective item is $0.05 .$ Find the probabilities that in a run of 75 items, the following results are obtained.
a. Exactly 5 defectives
b. No defectives
c. At least 1 defective