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1. An alien empire is considering taking over planet Earth, but they will only do so if the portion of rebellious humans is less than 10%. They abducted a random sample of 400 humans, performed special psychological tests, and found that 14% of the sample are rebellious. Perform a hypothesis test at a significance level of , to test the claim that more than 10% of humans are rebellious.
2. Suppose we measured the IQ scores of the 42 students in NURS561, and calculated a mean IQ score of 108.2, and a standard deviation of 6.27. If we make no assumptions about the population mean and standard deviation of IQ scores, test the hypothesis that students in NURS561 have a mean IQ greater than 100. Use a significance level of.
Compute the average cost for 40 shirts, 100 shirts, 200 shirts, and 400 shirts - Draw the long-run average-cost curve for 40 to 400 shirts per day.
The article cited in Exercise 49 of Chapter 7 gave summary information on a regression in which the dependent variable was power output (W) in a simulated 200-m race and the predictors were x1 = arm girth (cm), x2 = excess post-exercise oxygen cons..
Analysis of qualitative research data. In this assignment, you will consider the ethical issues of qualitative research and use SPSS to analyze some sample data.
For the total population of a large southern city, mean family income is $34000, with a standard deviation (for the population) of $5000.
Probabilty of rain is .30. Probabilty of game being cancelled, given it raining, is .50. Whats the probability of rain and a cancellation?
Marginal Cash Flows. A co-worker claims that looking at all this marginal this and incremental that is just a bunch of nonsense and states.
In a certain county, 27% of registered voters are Republicans, 20% are Democrats, and the rest are Independents. 34% of Republicans oppose increased military.
The lower limit for a 95% confidence interval for the population proportion if a sample of size 200 had a 40 success is.
If a simple random sample of 50 players was taken, what is the probability that the sample mean will exceed $210,000?
Identifying H0and Hr in ex 5-12 , examine the given statement , then express the null hypothesis H0 and alternative hypothesis H1 in symbolic form.
the claim is the proportion of peas with yellow pods is equal to 0.25 or 25. the sample statistics from one experiment
article i chose httpwww.ncbi.nlm.nih.govpmcarticlespmc1516247pdfcalifmed00057-0028.pdffind an article on a web site
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