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United Medicine, Inc., claims that a drug, Viro, significantly relieves the symptoms of a certain viral infection for 80 percent of all patients. Suppose that this drug is given to eight randomly selected patients who have been diagnosed with the viral infection.
a. Let x equal the number of the eight randomly selected patients whose symptoms are significantly relieved. What distribution describes the random variable x? Explain.
Answer here: Discrete Probability Distributions.
A sample of 3000 observations has a mean of 82 and a standard deviation of 16. Using the empirical rule, find what percentage of the observations fall in the intervals , and x+/- 1s, x+/- 2s x+/- 3s.
question you are given a large sample of data to analyse using regression analysis.a firstly you wish to discover
Researchers wanted to determine if there is a difference in the mean credit card debt owed by males versus females. Using α = 0.10, is there a difference. (Show all six steps of hypothesis testing.)
Justify your selection of the probability distribution you choose to model this situation.
Is there any reasonable explanation for the two months that have the highest frequencies?
find the margin of error for the given values of cs and n c0.80 s4 and n8the margin of error is round to one decimal
You are given the task of building a pie chart that summarizes the five age categories of 582 individuals recorded in an SPSS sample file titled satisf.sav.
The z-score of 1.33 tells you that Eric's time to get to work is 1.33 standard deviations from the mean.
find the 95 confidence interval for the variance of the weights of containers of motor oil if a sample of 14 containers
With reference to Exercise 30, show that if the first measurement is recorded incorrectly as 16.0 instead of 14.5, this will reverse the result. Explain the apparent paradox that even though the difference between the sample mean and μ0 has increa..
Assuming both assertions are correcting and assuming normal distributions, which review book is more likely to result in an SAT gain over 60 points?
1. kane discusses the concentricity of an engine oil seal groove. historically the standard deviation for the
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