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A machine has three components working independently. The probability that Component A fails is 0.1, the probability that component B fails is 0.2, and the probability that component C fails is 0.3.
(A) What is the probability that none of the components will fail ???
(B) What is the probability that at least one component will fail ???
(C) What is the probability that only one component will fail ? That is, what is the probability that one component will fail, but the other two will not fail ??
Pretend you are in charge of a packaging equipment company that is filling boxes of cereal. From past experience we know the population's mean weight of the filled boxes is 300 grams (and we know the distribution of grams is approximately normal).
It falls into the region of alternative is accepted greater than .95
Find the mean ______________ and the standard deviation _____________
A railway company operates a number of different services. One of these connects two cities and the journey time is assumed to be normally distributed with a mean of 125 minutes and a standard deviation of 5 minutes.
If code is 4 random letters, and letters can be utilized multiple times, how many different possible codes are there?
A two tailed test is conducted at 5% significance level what is the P-value required to reject the null hypothesis.
What is the possible uses of regression and correlation analysis in doctoral-level research? Would I be able to use these techniques in my dissertation, or any application in other areas?
Produce a printout of the frequency tables, showing the total of both frequencies.
The Statistical Abstract of the United States published by the US Census Bureau reports that the average annual consumption of fresh fruit per person is 99.9 pounds.
First-order regression model was fit to data. Part of printout follows?
Perform a chi-square test on the following data:
Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error?
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