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For a given wind turbine, the probabilities of failure to component A, B, and C follow the rule 3:2:5. The respective probabilities of detecting an individual failure in a component are .8, .9 and .9. A failure happens. What is the probability of detecting it?
1.a refrigerator contains 6 apples 5 oranges 10 bananas 3 pears 7 peaches 11 plums and 2 mangos. imagine you stick your
A number of minor automobile accidents occur at various high-risk intersections. A study was done. Eight intersections were chosen at random. The number of minor accidents during a 6-month period before and after the modifications were:
Is the estimate from the participants significantly higher than the actual number (µ = 3.1)? Use a one-tailed test with = .05.
The least squares simple linear regression line minimizes the sum of the vertical deviations between the line and the data points.
A sample of 100 one-dollar bills from the Subway cash register revealed that 16 had something written on them besides the normal printing (e.g., “Bob ? Mary”). (a) At α = .05, is this sample evidence consistent with the hypothesis that 10 percent or ..
You are the incoming inspector for potato chips - you are to ensure that each bag has 16 ounces or more in it. You want your testing to be at the level of significance of 0.05.
a teacher gave a reading test to a class of 5th grade students and computed the mean median and mode for the test
Suppose that a study based on a sample from a targeted population shows that people at a pizza restaurant are hungrier than people at a coffee shop. make an interference based on the results of the study.
Calculate the mean and standard deviation for this set of data. Convert your answer back to dollars and cents and give the correlation value between number of beers consumed and BAC?
Which is relatively better: a score of 81 on a psychology test or a score of 56 on an economics test? Scores on the psychology test have a mean of 87 and a standard deviation of 9.
The value of the z score in a hypothesis test is influenced by a variety of factors. Assuming that all other variables are held constant explain how the value of z is influenced by each of the following: (a) increasing the difference b/w the sampl..
According to an article, 19% of the entire US population have high-speed access to the Internet. Random samples of size 200 are selected from the US population.
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