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Suppose a simple random sample of size 43 is selected from a population with = 11. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate).
1. The population size is infinite (to 2 decimals).
2. The population size is N = 50,000 (to 2 decimals).
3. The population size is N = 5000 (to 2 decimals).
4. The population size is N = 500 (to 2 decimals).
How many subsets of S contain either the number 6 or the number 15?
A True-False test was developed for a Risk Management class. A student, who didn't study, decided to randomly guess the answer on each question.
I am conducting research on microscopic toolmark analysis. If I have a toolmark with 27 striations (lines) of varying spatial relationships (orientations),
He gets a result of 1.5. He then rounds the result to 2, saying that it is not possible to get 1.5 girls when three babies are born. Is this reasoning correct? Explain.
What sample size is recommended for the hypothesis test (0 decimals)? Use 30 hours as an estimate of the population standard deviation.
From the calculator manufacturer?s point of view, which type of error would be considered more serious and explain why? From the printed circuit supplier?s point of view, which type of error would be considered more serious and explain why?
The State Department of education requires local school districts to keep records on all students within their district. Determine if the following items are categorical or numeric variables.
Could you please show me how you computed the two critical values to (2.18, 17.83) ? Which formula you used ?
A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time.
Evaluate the strength of the relationship by computing the coefficient of determination.
What is the probability a random sample of 90 test takers will provide a sample mean test score within 10 points of the population mean of 502 on the critical reading part of the test?
What is the probability that the kickoff will go between 60 and 75 yards if the average kickoff is 50 yards with a variance of 49?
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