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Question: A travel agency believes that the number of people who sign up for tours to Hawaii during the Christmas-New Year's holiday season is an approximately normally distributed random variable with mean 2,348 and standard deviation 762. For reservation purposes, the agency's management wants to find the number of people such that the probability is 0.85 that at least that many people will sign up. It also needs 0.80 probability bounds on the number of people who will sign up for the trip.
if your anova hypothesis test shows no interaction between two factorsa you must re-run the anova in minitab without
List all samples of 3 and compute the mean of each sample. Compute the mean of the distribution of sample means and population mean. compare the two values
Using a significance level of 0.03, carry out a hypothesis test to determine if there is convincing evidence to support the claim that fewer than half of adult Americans can name at least one justice currently serving on the Supreme Court.
consider the following bivariate data.pointabcdefghijx5346626241y5122213612calculat enbspsxnbspandnbspsy. give your
review the three non-parametric test videos in the calculations section of the statistics visual learner media
Graph the distribution using a histogram. Calculate the mean and standard deviation.
How much work would have to be done if no material were present?- How much work is done to change the total magnetization of the material when the temperature is 300 K and when it is 1K?
The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude? Determine the p-value and perform the test.
The number of breakdowns Y per day for a certain machine is a Poisson random variable with mean λ. The daily cost of repairing these breakdowns is given by C = 3Y 2. If Y1, Y2, . . . , Yn denote the observed number of breakdowns for n independentl..
Election poll reported that applicant had n approval rating 31% with margin of error E of 4%. Create a confidence interval for proportion of adults who approved of applicant.
To test the null hypothesis, we state the mean difference between paired scores in the population and compare this to the difference between paired scores.
The Kaiser Corporation makes aluminum at various locations around the country. One of the key factors in being profitable is keeping the machinery running.
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