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Determine confidence intervals for each of the following:
a. Mean = 150, s = 30, sample size = 200, confidence level = 95%
b. Percent = 67%, sample size = 300, confidence level = 99%
planwell corporation is considering whether to build a large plant or a small plant for new product which has an
question describing data frequency distribution and graphic presentationsyou are the parts manager for a local dumb
How many seizures per week would you predict for a person who has been at the hospital for ten weeks - There is a perfect positive relationship between the number of weeks spent in a hospital and the number of seizures recorded.
Is there evidence to suggest a difference in the mean waiting times at the four body shops?
Find the 95% confidence interval for the mean, of the population from which the sample was drawn. (Round the values to whole numbers for your confidence interval.)
Obtain a test statistic and p -value assuming equal variances. Interpret these results.
you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42
Among 100 people randomly chosen in a survey, exactly 10 stated that they believed that the elected representatives are honest most of the time.
the mean of sample a is significantly different than the mean of sample b. sample a 59 48 74 62 87 73 sample b 53 67 78
Estimating confidence interval for mean value of y and find a 95% confidence interval for the expected average total sleep time for a child of age 12
10 people taste wine A and wine B, X= denote the number prefer A. Assume that all others prefer B. These people random sample..
Suggesting that the combined sample evidence tends to refute the hypothesis that the coin is fair. Explain this apparent discrepancy.
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