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### Question #2001274: Other Statistics Problems

Question: Santa Fe black-on-white is a style of pottery that occurs in about 61% of the pot shards found somewhere. On this place a 8641 pot shards have been found.…

### Question #2009959: Hypothesis Testing

Question: Billy Shagger, who you met above, has been battling weeds on several of the fairways at the Olde Course in Prescott. Billy has been using a new pesticide, “Weed-away”…

### Question #2017297: Z-test Hypothesis Testing

Question: An Oklahoma transportation planning group is concerned about the lack of car-pooling on the part of commuters. They are afraid that the proportion of Oklahoma drivers car-pooling is below…

### Question #2023798: Hypothesis tests: t-test

Question: A manager would like to know if the performance of sales representatives improves over the first 6 months of employment. For 5 new sales representatives, the number of sales…

### Question #2001305: Other Statistics Problems

Question: Consider a binomial distribution with 15 identical trials, and a probability of success of 0.5 a. Find the probability that x = 2 using the binomial tables b. Use…

### Question #2009977: Analysis of Variance

Question: A. Using the information on the Final Data File sent to you with this examination, use the TANF information (see tab at bottom for question 32) as the dependent…

### Question #2017314: Hypothesis Testing

Question: In a large California company of 22,000 employees, 100 were randomly chosen and their average number of years of employment with the company was found to be 15.2 years…

### Question #2023817: Testing Statistical Hypothesis

Question: Find the following standard normal probabilities. Show the normal curve with appropriate area shaded for each. (a) P(z > -2.10) (b) P(z < 3.22) (c) P(-2.33 < z <…

### Question #2001321: Other Statistics Problems

Question: An aptitude test has a mean of 220 and standard deviation of 10. find the corresponding z score for: a) a test score of 232 b) a test score…