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A salesman makes all sales in three cities X, Y and Z only. It is known that he visits each city on a weekly basis and never visits the same city in successive weeks. If he visits city X in a given week, then he visits city Z in next week. However, if he visits city Y or Z, he is twice as likely to visit city X than the other city. Obtain the transition probability matrix. Also determine the proportionate visits by him to each of the cities in the long run.
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
In Texas, 1991, the weights of babies, the mean birth weight for all babies is 3369 grams, with a standard deviation of 581 grams, (454 grams = 1 pound). Looking at a baby that weighed 16.1 lbs at birth: What would his Z-score be when compared to ..
What control chart(s) would you use for this data and what are the final control limits?
Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.
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.
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. What is the value of your test statistic.
A survey of 200 recent graduates from your school revealed that 80 students had jobs. At the .02 significance level, can we conclude that a larger proportion of students at your school have jobs?
Using the empirical rule, what is the approximate percentage of the men between the following values? A. 176 cm and 186 cm B. 166 cm and 196 cm.
Subjects at both sites were classified as dropouts if they left the study before the conclusion, or completers if they finished the study
Discuss whether the percent distribution of the cross-tab and chi-square supports/does not support the researcher's hypothesis.
The State Game Commission set on length, if it is desired that 91% of the fish caught may be kept by fisherpersons? There is no limit on size for trout that exceed the minimum.
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
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