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A structural engineering system consists of four subcomponents. The stability of each subcomponent is statistically independent of the others. In any given hurricane event, the probability that any subcomponent is unstable is 0.006. The entire system is considered unstable if any one subcomponent is unstable. Find the probability that the entire structural system is stable (a) in any given hurricane event and (b) in five hurricane events.
What are some real life examples of the use of Chi-Square tests using contingency tables? Why is a test, which is testing significant differences among means called Analysis of Variance?
a confidence interval for the price of gasoline from a random sample of 40 gas stations in a region gives the
a study from 2008 by reseac hers at uof m found that 124 out of 1923 females at the university had moore than 6000
If the desired value for m is 2.5 inches, formulate the appropriate testing hypothesis problem and carry out the test if a = 0.05.
Construct a scatter diagram where the dependent variable is the percentage of graduates who were employed immediately upon graduation, and the independent variable is the reputation score provided by the lawyers/judges. Do schools given higher sco..
How many books should be tested to estimate with 95% to within 0.1 lb, the average force required to break the binding? Assume that sd is known to be 0.8 lb.
someone is interested in studying property tax rates in the united states. he randomly selects 25 homes and looks up
Determination of statistical significance can only be determined by calculating the exact p value and declaring results as significant. True or false?
For each of the following phrases write down the probability number that you feel is rep resented by the phrase. After doing so, check your answers to be sure they are consistent. [For example, is your answer to e less than your answer to j?]
public health officials claim that people living in low income neighborhoods have different physical activity levels
a mobile phone has an advertised life of 30000 hours. a sample of 50 phones had a life of 28500 hours with a standard
What is the probability that a random sample of 49 different one-hour shopping periods will yield a sample mean between 441 and 446 shoppers?
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