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Using the Data set: 87,85,44,46,17,95,62,86,67,46
Do the following:
The mean arrival rate is 10 passengers per minute. Compute the probability that three or fewer passengers arrive in a one-minute period.
Write appropriate hypotheses.- Check the necessary assumptions.- Perform the mechanics of the test. What is the P-value?- Explain carefully what the P-value means in this context.
Fully describe the differences between a fixed effect single-factor analysis and a random effect single factor analysis.
a new drug is claimed to have effect on reducing heart rate for patients with unstable angina by 15 beats per minute
A 95% confidence interval for the mean weight gain of adult mice on a certain diet is (11.2, 54.7) grams.
Assume sps professors have the average life normally distributed of 82 years, with population standard deviation of 5 years. Determine percent of sps professors will not live more than 80 years?
For the following situations, (a) n = 12, σ = 22, X¯ = 65, (b) n = 22, σ = 10, X¯ = 185, (c) n = 50, σ = 30, X¯ = 19, compute a 0.95 confidence interval for the mean.
Substance abuse risk and bipolar disorder. Wilens and colleagues (2008) studied the association between bipolar disorder and substance abuse.
Using n = 150, do you ever get a p-value less than 0.05? If so, what does such a p-value mean? Would you expect to get a few such p-values? Explain.
the undergraduate grade point average gpa for students admitted to the top graduate business schools was 3.37. assume
What are the differences between z-statistics vs. t-statistics video, and in which situation each would be used?
To protect a trade secret, a company must register the trade secret with the appropriate Federal agency? Is this true or false?
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