Questions from Engineering Statistics

Q: Consider a system of components in which there are 5 independent components

Consider a system of components in which there are 5 independent components, each of which possesses an operational probability of 0.92. The system does have a redundancy built in such that it does no...

Q: The probability that a married man watches a certain television show is

The probability that a married man watches a certain television show is 0.4, and the probability that a married woman watches the show is 0.5. The probability that a man watches the show, given that h...

Q: From a lot of 10 missiles, 4 are selected at random

From a lot of 10 missiles, 4 are selected at random and fired. If the lot contains 3 defective missiles that will not fire, what is the probability that (a) all 4 will fire? (b) at most 2 will not fir...

Q: For married couples living in a certain suburb, the probability that

For married couples living in a certain suburb, the probability that the husband will vote on a bond referendum is 0.21, the probability that the wife will vote on the referendum is 0.28, and the prob...

Q: The probability that a vehicle entering the Luray Caverns has Canadian license

The probability that a vehicle entering the Luray Caverns has Canadian license plates is 0.12; the probability that it is a camper is 0.28; and the probability that it is a camper with Canadian licens...

Q: The probability that the head of a household is home when a

The probability that the head of a household is home when a telemarketing representative calls is 0.4. Given that the head of the house is home, the probability that goods will be bought from the comp...

Q: The probability that a doctor correctly diagnoses a particular illness is 0

The probability that a doctor correctly diagnoses a particular illness is 0.7. Given that the doctor makes an incorrect diagnosis, the probability that the patient files a lawsuit is 0.9. What is the...

Q: In 1970, 11% of Americans completed four years of college

In 1970, 11% of Americans completed four years of college; 43% of them were women. In 1990, 22% of Americans completed four years of college; 53% of them were women (Time, Jan. 19, 1996). (a) Given th...

Q: A real estate agent has 8 master keys to open several new

A real estate agent has 8 master keys to open several new homes. Only 1 master key will open any given house. If 40% of these homes are usually left unlocked, what is the probability that the real est...

Q: Before the distribution of certain statistical software, every fourth compact disk

Before the distribution of certain statistical software, every fourth compact disk (CD) is tested for accuracy. The testing process consists of running four independent programs and checking the resul...