A production process produces 90% non-defective parts. A sample of 10 parts from the production process is selected
a. Define the random variable in words for this experiment.
b. What is the probability that the sample will contain 7 non-defective parts?
c. What is the probability that the sample will contain at least 4 defective parts?
d. What is the probability that the sample will contain less than 5 non-defective parts?
e. What is the probability that the sample will contain no defective parts?
a. x = the number of non-defective parts out of 10 or y = the number of defective parts out of 10
b. .0574
c. .0128
d. .0001
e. .3487
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