Questions from Engineering Statistics

Q: Registrants at a large convention are offered 6 sightseeing tours on each

Registrants at a large convention are offered 6 sightseeing tours on each of 3 days. In how many ways can a person arrange to go on a sightseeing tour planned by this convention?

Q: In a medical study, patients are classified in 8 ways according

In a medical study, patients are classified in 8 ways according to whether they have blood type AB+, AB− , A+, A−, B+, B− , O+, or O−, and also according to whether their blood pressure is low, normal...

Q: If an experiment consists of throwing a die and then drawing a

If an experiment consists of throwing a die and then drawing a letter at random from the English alphabet, how many points are there in the sample space?

Q: Students at a private liberal arts college are classified as being freshmen

Students at a private liberal arts college are classified as being freshmen, sophomores, juniors, or seniors, and also according to whether they are male or female. Find the total number of possible c...

Q: A certain brand of shoes comes in 5 different styles, with

A certain brand of shoes comes in 5 different styles, with each style available in 4 distinct colors. If the store wishes to display pairs of these shoes showing all of its various styles and colors,...

Q: A California study concluded that following 7 simple health rules can extend

A California study concluded that following 7 simple health rules can extend a man’s life by 11 years on the average and a woman’s life by 7 years. These 7 rules are as follows: no smoking, get regula...

Q: A developer of a new subdivision offers a prospective home buyer a

A developer of a new subdivision offers a prospective home buyer a choice of 4 designs, 3 different heating systems, a garage or carport, and a patio or screened porch. How many different plans are av...

Q: A drug for the relief of asthma can be purchased from 5

A drug for the relief of asthma can be purchased from 5 different manufacturers in liquid, tablet, or capsule form, all of which come in regular and extra strength. How many different ways can a docto...

Q: In a fuel economy study, each of 3 race cars is

In a fuel economy study, each of 3 race cars is tested using 5 different brands of gasoline at 7 test sites located in different regions of the country. If 2 drivers are used in the study, and test ru...

Q: (a) In Exercise 5.9, how many of

(a) In Exercise 5.9, how many of the 15 trucks would you expect to have blowouts? (b) What is the variance of the number of blowouts experienced by the 15 trucks? What does that mean? Data from Exerc...