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1. Is the Joule-Thomson throttling process adiabatic? Is it isentropic? Explain each answer.
2. (a) Suppose that you have two sets of four distinguishable coins, and you flip all four coins in each system. How many different possible states are there?
(b) Now suppose that the two sets each contain four identical coins, and you flip all four coins in each set, keeping the two sets separate from each other. How many different possible states are there?
(c) Now you combine the two sets into one set of eight identical coins, all of which you flip. How many different possible states are there now?
Standard deviation of 3.2 days. If a nursery plants 100,000 of these seeds, how many will germinate in less than 20 days?
The probability of making a successful sale is 0.58. What is the probability the salesman will make at least 18 sales for the week (Binomial distribution).
question although the phenomenon is not well understood it appears that people born during the winter months are
(a) Write down the short-hand for these two normal distributions.
What are genome projects and DNA fingerprinting? What are some pros and cons of each issue? Do you support each issue? Explain.
Set up the 2x2 table for these data. Calculate the risk ratio of gastroenteritis associated with swimming in the upper deck pool. State in words your interpretation of the above risk ratio. Calculate the risk difference in the above example
Construct a 95% confidence interval for the proportion of the population that holds the same opinion.
For which ages are the males more likely than the females to have an ER visit for an injury? For which ages are the men and women similar?
The National Opinion Research Center conducts a large number of surveys and has established procedures for protecting the confidentiality
This problem involves calculating and interpreting the 95% confidence interval for a proportion. While you can use SPSS to determine proportions, you need to calculate the confidence interval by hand.
Consider the following problem associated with synchronizing traffic lights. A particular traffic light has a cycle as follows:
Using the six-step critical value approach, at the 0.05 level of significance, is there evidence that the population mean delivery time has been reduced below the previous population mean value of 25 minutes?
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