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The average speed of greyhound dogs is about 18.8 meters per second. A particular greyhound breeder claims that her dogs are faster than the average greyhound. In a sample of 45 dogs, they ran, on average, 19.2 meters per second with a standard deviation of 1.4. Is her claim correct if she is willing to accept an error rate of 2.5 out of 100?
A) Yes, because 1.92 falls in the noncritical region
B) No, because 0.04 falls in teh noncritical region
C) Yes, because 0.04 falls in the noncritical region
D) No, because 1.92 falls in the noncritical region
Registration process takes, on average, 2 minutes per patient. Among patients who get prescriptions, average time spent with doctor is 5 minutes. Among those admitted to hospital, average time is 30 minutes.
In order to compare the means of two populations, independent random samples of 484 observations are selected from each population, with the following results:
Suppose it has been determined that the average number of customers waiting for service is 1.929. There are two servers. Determine:
Either no change to the Objective function or a raise in the value of the objective function depends on the constraint.
Statistics practice questions answers in a correct order and if possible copy all the graphs in excel. How large a sample size (trading days) is needed to estimate the population mean number of shares traded per day to within 100 million with 95% co..
Find the percentage of the 1000 enemy that will be destroyed.
What are the mean and the standard deviations for the population of produced with this process?
Determine the confidence interval for population mean and the Superintendent wants to determine the average amount of hours per week the student population studies at home.
How many days should be considered if a 95 percent confidence is used and the estimate is to be within one hundred dollars?
The summation sign is usually represented by:
Give a brief definition and an example of the following: What does the correlation coefficient r describe? What about r squared?
Analysis of data sets assignment
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