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1) Classify events into success or failure
2) P(success) stay the same on each trial
3) Counting the number of successes
4) Discrete data
5) Independence
Provide an example of a couple of variables that we work with that could meet the binomial criteria above.
If p denotes the p -value of the corresponding hypothesis test, which of the following is true?
If random sample of 9 loads is selected for weight check, determine probability that mean weight of those loads is more than 40.60 tons.
If there are repeated independent trials and there are only two outcomes, what distribution should be used?
Does the overall data support the mayor's claim?
A rare disease has just broken out. Doctor Johnson is trying to help, but while treating patients he might expose himself to the disease.
A sample of patients for one busy primary care practice is used as the comparison group. What is the research design and its variables?
Re item 4, assume the critical value for this test is 4.92, and you obtain a computed statistical value of 7.45. Is there evidence to refuse null hypothesis? Describe why or why not?
Determine the distribution of X? Determine its parameters?
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
A scatter plot and regression line can be used for all of the following EXCEPT
Find the z-score for each score in the population. Transfer the original population into a new population of N=5 scores with a mean of μ=60 and a standard deviation of σ=8
To investigate he selects a sample of eight weeks and determines the number of new cars sold and the number of sales people on duty for that week. a) What are the dependent and independent variables?
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