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A product is made up of two subsystems in series. The first subsystem consists of 15 components in series. The second subsystem consists of two components in parallel. The components in subsystem 1 are all of the same design and each has a 1/10,000 chance of failure. The parallel components each has a 3/10,000 chance for failure. What is the overall reliability of the system?
What is the 95% confidence interval for the difference between the mean prices of the two models?
4 7 7 5 2 9 7 6 8 5 8 4 1 5 2 8 7 6 6 9. (a) Determine three quartiles and (b) draw box-and-whisker plot of the data.
Identify the significance level, the test statistic, and the critical value, state whether you are rejecting or failing to reject the null hypothesis statement and explain how the results could be used by the manager of the company.
what percent of the total number of seeds germinated?
Construct a 95% confidence interval for the population mean, assuming a normal distribution?
a tennis player has a 68 percent succes rate on first serves and migt serve 85 times in a match. assuming that each
A post office has a single line for customers waiting for the next available postal clerk. There are two postal clerks who work at the same rate.
Suppose you were preparing two-way tables of percentages for the following pairs of variables. How would you run the percentages?
a researcher claims that the average age of people who buy lottery tickets is 61. a sample of 30 is selected and their
A corporation owns a factory that produces sulfuric acid. Because of changing conditions, the plant's output is quite variable. The company's president has observed that the output is normally distributed with a mean of 8,200 pieces per hour.
1. jon works as a sanitation engineer for a zoo. every day he goes to work he feels like he is shoveling a great
question where do cfos get their money news? according to robert half international 47 get their money news from
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