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Claude Vrinat, owner of Taillevent-one of Europe's most highly acclaimed restaurants-is reported to regularly sample the tastes of his patrons. From experi- ence, Vrinat believes that the average rating (on a scale of 0 to 100) that his clients give his foie gras de canard may be viewed as normally distributed with mean 94 and standard deviation 2. A random sample of 10 diners gives an average rating of 96 and standard deviation of 1. What should be Vrinat's posterior distribution of average rat- ing of foie gras de canard, assuming ratings are normally distributed?
Warren Road MacBurger that the mean waiting time was 2.75 minutes. At the 0.05 significance level, can we conclude that the mean waiting time is less than three minutes?
on a psychology exam with m 76 and s 12 tom scored 9 points below the mean mary had a score of x 70 and bill had a
A random sample of 95 printers discovered that 20 of them were being used in small businesses. Find the 95% limit for the population proportion of printers that are used in small businesses.
If the manager decides to spend $3000 on advertising, based on the simple linear regression results given above, what would the estimated sales be?
what is the probability that there are exactly 6 girls among the first 10 and exactly 12 girls among the first 19
hypothesis test for dependent samples.a survey of 50 clientsin january 08 fifty clients of a county mental health
A company adminsters an "aptitude test for managers" to aid in selecting new management trainees. Prior experience suggests that 60 percent of all applicants for management trainee positions would be successful if they were hired.
State the hypotheses for a right-tailed test. Obtain a test statistic and p-value assuming equal variances. Interpret these results. Is the difference in mean scores large enough to be important?
In a certain town, 30% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the standard deviation for the probab..
approximately 10 of the glass coming off a production line have serious flaws in the glass. if two bottles are randomly
a project was planned using pert with three times estimates. the expected completion time of the project was determined
State the null hypothesis H 0 and the alternative hypothesis H 1 that we would use for this test. Determining null and alternative hypotheses for the height of a plant.
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