Two percent of the parts produced by a machine are defective. Twenty parts are selected at random. Use the binomial probability tables to answer the following questions
a. What is the probability that exactly 3 parts will be defective?
b. What is the probability that the number of defective parts will be more than 2 but fewer than 6?
c. What is the probability that fewer than 4 parts will be defective?
d. What is the expected number of defective parts?
e. What is the variance for the number of defective parts?
a. 0.0065
b. 0.0071
c. 0.9974
d. 0.4
e. 0.392
You might also like to view...
A retailer allocates store space by first determining the total available store space and then dividing the space into categories in _____
a. rationalized retailing b. mass merchandising c. a top-down space management approach d. a bottom-up space management approach
Well-designed charts and graphs can
A) detract from important information in a report. B) emphasize certain data. C) give a sense of audience awareness. D) contain details.
The __________ doctrine imposes liability for physical injury to child trespassers caused by artificial conditions on the land
a. negligence per se b. foreseeable trespasser c. attractive nuisance d. respondeat superior
A legal doctrine where an employer is held liable for the acts of an employee even if the employer is not negligent. The doctrine is called_________
Fill in the blank(s) with correct word