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What is the difference between the critical-value method and the p-value method of hypothesis testing? Include in your post how the question's topic pertains to your health discipline.
In a lengthy manuscript, it is found that only 2/3 of the pages contain no typing errors. Assume that the number of errors per page has a Poisson distribution.
Two marbles are selected, one at a time from a jar of marbles containing 10 black, 10 brown, 10 white and 10 green marbles. Let x represent the number of white marbles selected in 2 separate selections from the jar.
Perform a hypothesis test by using.04 level of significance to find out if there is a difference between the population means.
Determine what analysis would you do on each problem (ie, one-sample z-test, one-sample t-test, proportion test, two-sample independent t-test, or paired test)?
Consider the following age data, which is the result of selecting a random sample of 20 United Airlines pilots.
h-p is said to be the leading seller of pc's in the U.S WITH 27% share of the pc market. if a researcher selects 130 recent pc purchases
Do the above values appear to be in statistical control, justify your answer?
A point Y is selected at random from interval (0,1). Then another point X is chosen at random from the interval (0,Y). Find probability density function for X.
If the agency is risk neutral, use a decision tree to determine its best course of action.
The following regression equation and correlation coefficient were calculated using minitab for the bivariate data age of men and their weight.
Smoking on campus. suppose 20% of the students on campus smoke. you select two students at random. In what percentage of samples will both students be smokers?
Let z represent the standard normal variable and suppose a value is randomly selected. Find each of the following probabilities by:
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