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A tennis player has a 68 percent succes rate on first serves and migt serve 85 times in a match. Assuming that each serve is independent from another is a normal model acceptable and why?
The model that result is: y= 0.6 + 1.2x, where the dependent variable is the amount of sales, in thousands of dollars, realized during the week and the independent variable is the amount spent on newspaper advertising, in hundreds of dollars, duri..
Regression line drawn as y c 1075x, when x was 2 and y was 239 given that y intercept was 11, calculate the residual.
When the names of all the students at Omega University were dropped to a fishbowl, they would include:
Compose a 350 to 700-word summary report of your findings to the researcher and owner of the restaurant in which you Identify evidence, if any, of the researcher's claim. Perform a one- or two-tail test on the data provided,
in a small pond there are 50 fish 10 of which have been tagged. if a fishermans catch consists of 7 fish selected at
Use the central limit theorem to find the probability that the average number of moths in 30 traps is greater than 0.6. Give your answer to four decimal places.
A sample of 65 business people was randomly selected and given a leadership test. Construct a 95 percent confidence interval for the mean score on this test, using the estimated standard error of the mean.
Calculate the 95% confidence interval for the rate of positive tuberculin reaction separately for each of the two subpopulation, those with high exposure and those with low exposure.
If the mean IQ of all Omega University students was equal to 115, and a small random sample of students was selected from the population whose mean IQ was 120, then this difference of 5 points would equal the:
customer arrives at a checkout counter in a department store have a poisson distribution with average of 4 arrivals
One prominent physician claims that 70% of chose with lung cancer are heavy smokers. If his assertion is correct. find the probability that more than half are heavy smokers.
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following:
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