Statewide Auto Parts uses a four-week periodic review system to reorder parts for its inventory stock. A one-week lead time is required to fill the order.Demand for one particular part during the five-week replenishment period is normally distributed with a mean of 18 units and a standard deviation of 6units.a. At a particular periodic review, 8 units are in inventory. The parts manager places an order for 16 units. What is the probability that this part will have astock-out before an order that is placed at the next four-week review period arrives? If required, round your answer to four decimal places.b. Assume that the company is willing to tolerate a 2.5% chance of a stock-out associated with a replenishment decision. How many parts should themanager have ordered in part (a)? If required, round your answer to the nearest whole number.The manager should have orderedunits.What is the replenishment level for the four-week periodic review system? What is the replenishment level for the four-week periodic review system?The replenishment level for the four-week periodic review system is

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Answered: Statewide Auto Parts uses a four-week…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Answer part c and d frq styled
Beef Consumption. According to Food Consumption, Prices, and Expenditures, published by the U.S. Department of Agriculture, the mean consumption of beef per person in 2011 was 57.5 lb. A sample of 40 people taken this year yielded the data, in pounds, on last year’s beef consumption given on the WeissStats site. Use the technology of your choice to do the following. a. Obtain a normal probability plot, a boxplot, a histogram, and a stem-and-leaf diagram of the data on beef consumptions. b. Decide, at the 5% significance level, whether last year’s mean beef consumption is less than the 2011 mean of 57.5 lb. Apply the onemean t-test. c. The sample data contain four potential outliers: 0, 0, 0, and 13. Remove those four observations, repeat the hypothesis test in part (b), and compare your result with that obtained in part (b). d. Assuming that the four potential outliers are not recording errors, comment on the advisability of removing them from the sample data before performing the…
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The SAT and ACT college entrance exam are taken by thousands of students each year. The mathematics portions of each of these exams produce scores that are approximately normally distributed. In recent years, SAT mathematics exam scores have averaged 480 with standard deviation 100. The average and standard deviation for ACT mathematics scores are 18 and 6, respectively. a. An engineering school sets 550 as the minimum SAT math score for new students. What percentage of students will score below 550 in a typical year? b. What score should the engineering school set as a comparable standard on the ACT math test?
According to the U.S. Energy Information Administration, regular gasoline averaged $2.65 per gallon in the United States in April 2018. Assume the standard deviation for gasoline prices is $0.12 per gallon. A random sample of 30 service stations was selected. What is the probability that the sample mean will be between $2.62 and $2.72? 8.55% 99.93% 91.38% O 31.89% M
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The salaries ofelementary school teachers are normally distributed with a mean of $32,000 and a standard deviation of $3000. If a teacher is selected at random, Find the probability that he or she makes between $ 36,000 and $38.000 Select one: a. 0.069 O b. 0.9082 c. 0.927 O d. 0.082
A survey finds that the prices paid for two-year-old Ford Fusion cars are normally distributed with a mean of $17,500.00 and a standard deviation of $500.00. Consider a sample of 10,000 people who bought two-year-old Ford Fusions. 6800 of the people who bought two-year old Ford Fusions spends between $ .00 and $ .00 How many people spends less than $17,000.00 people. How many people spends more than $19,000.00 people (Note this question has to do with the empirical rule and the symmetric nature of the normal distribution)

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