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A system consists of three components that operate independently. In order for the system to work, component 1 must work, and either component 2 or 3 must work. The probability that component 1 works is 3/4, that component 2 works is 2/3 and the probabilith that component 3 works is 1/2.
a) What is the probabilith that the entire system is working?
b) if the system is broken, what is the conditional probabilith that part 2 is not working?
c) If the system is broken, what is the conditional probability that part 1 is not working?
Two manufacturing facilities produce 1280 × 1024 LED (light-emitting diode) displays. Twelve displays are chosen at random from each lab, and the number of bad pixels is noted for each display.
The information that the distribution of the serve speeds was bell shaped. What proportion of the player's serves are expected to be between 107 mph and 118 mph?
use a table of cumulative areas under the normal curve to find the z-score that corresponds to the given cumulative
Four brands of light bulbs are being considered for use in the final assembly area of the Saturn plant in Spring Hill, Tennessee. The director of purchasing asked for samples of 100 from each manufacturer.
What percent of the time will a fully charged battery last at least 330 minutes. What is the probability that a random sample of n = 15 batteries results in a mean talk time of at least 330 minutes?
Conduct a hypothesis test to determine if the proportion of business students atBayview University who were involved in some form of cheating is less than thatof nonbusiness students at other institutions as reported by the Chronicle of HigherEducati..
If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval estimate for the true mean.
question shown below are dollar figures for commercial and industrial loans at all commercial banks in the u.s. as
Find the expected number of passengers who wait for 1 unit of time or less and find P
A compute manufacturer is about to unveil a new,faster PC.The new PC is faster but intial tests incidcate there is more variation in the processing time.
a random sample of size 36 is selected from a population whose mean is 70 and standard deviation is 6. calculate the
Historically, demand has been for 50, 100, or 150 units each week, so the company makes one of those run sizes. In the past, the manager of the department has made 100 units per week for regular production. A: Prepare a payoff table showing profit..
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