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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.
Compute the sample variance and the sample standard deviation for these data (to 2 decimals).
Replacement times for CD players are normally distributed with mean of 7.1 years and a standard deviation of 1.4 years (based on data from "Getting Things Fixed," Consumer Reports). Find the probability that a randomly selected CD player will have..
The company has evidence that its line produces %0.9 of noncorforming items. What is the probability that an item selected for inspection is classified as defective?
What are the 2 ways in which researchers assess the reliability of their measures? Be sure you understand the difference among these 2 approaches to reliability.
What is the probability that a person who has submitted one entry will win the following?
What is the probability that the 100 randomly selected mangoes have a mean weight less than 14 ounces?
What is the probability of selecting someone at random from this population who has a cholesterol value less than 180? What is the mean and the standard deviation (error) of?
A manufacturer of batteries for "kids' toys" wishes to investigate the length of time a battery will last. Tests results on a sample of 10 batteries indicated a sample mean of 5.67 and a sample standard deviation of 0.57.
Respond to the questions? In other words, what is the probability that the sample proportion p will be at least 75/300 = 0.25?
what is the probability that an organization selected at random will have at least one of the three types of benefits?
What is the difference between the Confidence Interval and the Prediction Interval given in a Minitab printout of a multiple regression? When do you use each?
What happens to the boundaries for the critical regions?
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