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A study conducted at a certain college shows that 75% of the school's graduates find a job in their chosen field within a year after graduation. Find the probability that 8 randomly selected graduates all find jobs in their chosen field within a year of graduating.
Assume Nick doesn't know how his received he suppose that all three states of nature are equally likely to occur. If Nick uses the equally likely criterion illustrate what decision would he make.
A sample of 84 golfers showed that their average score on a particular golf course was 89.05 with a standard deviation of 3.47.
Determine the least squares equation. According to this information, what are the estimated sales for 2005? Listed below is the net sales in $ million for Home Depot, Inc. and its subsidiaries from 1993 to 2002.
He argues that the regression effort says people who perform very poorly in their previous job tend to perform well in their next job. Is this what the regression effect says? Explain.
Determine the value of correlation coefficient between these 2 variables?
A partial computer output from a regression analysis as follows. The regression equation is:
The mean life time of the sample of 160 tires will be less than 39,000 miles? Interpret the probability in terms of the truth of the manufacturer's claim.
A professor in the psychology department would like to determine whether there has been a significant change in grading practices over the years.
Would it be reasonable to conclude that the population mean is 63 pounds?
Perform hypothesis testing on one variable's data (choose either the intrinsic or extrinsic Job Satisfaction)using 25 as our data set number.
Determine the p-value; and at 93.7% confidence, test the above hypotheses.
Shall we reject the hypothesis that the population mean is 6.0? Interpret the result.
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