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A product is made up of 20 componets in a series. Ten of the componets have a 1/10,000 chance of failure. Five have a 3/10,000 chance for failure. Four have a 4/10,000 chance for failure. One componet has a 1/100 chance for failur. What is the overall reliability of the product?
Two airlines fly to Memphis. according to airport data for the past year, wings airlines planes arrived on time 330 times and were late 60 times. Global airlines planes arrived on time 430 times and were late 50 times.
The mean life time of the sample of 160 tires will be less than 39,000 miles? Interpret the probability in terms of the truth of the manufacturer's claim.
what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points? (Round your answer to four decimal places.)
Found that 47% enjoy playing sports. would confidence in the results increase if the sample size were 3600 instead of 1100. why or why not?
A study was done on the accuracy of advertisements by the five types of electronics stores in a city. On each of the six days, items were randomly selected from the advertisements for each type of store and the actual price was compared to the adv..
Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis.
Calculate the Coefficient of Skewness and the Coefficient of Variation for time spent working on QM.
Mary claims that the range, standard deviation and variance are all measures of dispersion. John adds to Mary's claim by stating that the coefficient of variation is a measure of relative dispersion.
Determine the margin of error in estimating the population mean. a sample of 68 college students yields a mean annual income of $3248.
What is the population? What values does the population distribution describe? What is this distribution? What values does the sampling distribution of x describe? What is the sampling distribution?
Suppose the federal government proposes to give a substantial tax break to automakers producing midsize cars that get a mean mileage exceeding 31 mpg.
Cholesterol levels are measured as followed: 185 225 240 196 175 180 194 147 223. Generate a 95% confidence interval for the true mean total cholesterol levels in children?
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