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a study of 35 golfers showed that their average on a particular course was 92. the standard deviation of the sample is 5. find the best point estimate of the mean. find the 95% condidence interval of the mean score for all golfers.
Solve different inventory control problems using an appropriate OR method.
Evaluate the value of the F statistic for Devices- I plan an experiment to test the latest conflicting diet programs. The factor for Diet will involve three different levels: low fat, low carbohydrate, and low calorie. The other factor will involve..
If many samples of size 1000 persons are chosen, determine the expected value (mean X-bar) or average of average IQ's for these samples?
A political strategist believes that less than 55% of voters in a certain state support a particular issue. He then commisions a poll of 500 voters and 54% of them support this issue. If = .05, is the political strategist's belief warranted?
If the decision in the hypothesis test of population correlation is to reject the null hypothesis, what can we conclude about the population correlation.
Workers drive the company vehicle to purchase lunch versus returning to the office to pick up their personal vehicles in order to purchase their lunch?
Accidents at a chemical plant occur at a rate of 1.9 per month. Find: The expected number of accidents in a year? The probability of no accidents next month?
Now assume that failed items are not replaced during the test. UsingHandbook H--108, determine the plan assuming the time to failure is exponential.
Bivariate data for the quantitative variables x and y are given in the attached. These data are plotted in a scatter plot. Sketch an approximation of at the least-squares regression line for the data.
If a worker is chosen at random, what is the probability that he or she.Is very improbable to switch jobs. Is somewhat likely or very likely to switch jobs.
A hypothesis is being conducted. The p-value was found to be 0.0768. For which of the following levels of significance will the null hypothesis be rejected?
Sample mean is 12.2 days and sample standard deviation is 10 days. How many personnel files would director have to choose to evaluate to within 2 days with 99% confidence interval?
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