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Harry Coveleskie is the inventory manager for Weight Watcher's Clinic. Demand for Diet 15 has shown wide fluctuations. Harry wants to determine the expected demand for Diet 15 during a reorder period i.e. the time lapsefrom when stock is reordered until it is received. Harry must know how far in advance he should reorder before the stock level is reduced to 0. On the basis of historical data of lead time and demand Harry realizes that these are random variables.
Lead time Probability Demand per day probability1 0.5 1 0.12 0.3 2 0.33 0.2 3 0.44 0.2
a. Simulate this problem using the Monte Carlo process. Show the demand during lead time (DDLT) for 30 reorders and determine the expected demand during lead time.
Your supervisor has asked you to conduct a survey about consumers' buying habits. For this task, you surveyed 100 men and 100 women at a local shopping mall.
She gathers a sample of 35 subjects with depression and obtains a sample mean of 7.82 micrograms/100 ml. What are the null and alternative hypotheses for this study?
Draw a box-and-whisker plot for the data set. Find the variance and the standard deviation. please help me as soon as possible please!!! thank you
Set up a null and alternative hypothesis to test whether this sample is falling below expectations.
Can you conclude that every one-bedroom apartment costs less than every two-bedroom apartment? Which is more useful to someone planning to rent an apartment, the confidence interval or the significance test?
Bob gets tests grades of 86, 92, and 60 He gets an 90 on his final exam. Find the weighted mean if each tests counts for 20%, and the final exam counts for 40% of the final grade.
Choose a group of 4 adults at random. What is the probability that none of them enjoy drinking beer?
What is the probability that the sample will have between 50% and 60% of the identifications correct? What is the probability that the sample percentage of correct identifications is greater than 65%?
In a study designed to test the effectiveness of acupuncture for treating migraine, 142 subjects were treated with acupuncture and 80 subjects were given a sham treatment. The numbers of migraine attacks for the acupuncture treatment group had a m..
You are conducting a study for which it is critical that the findings be representative of the population of interest. Which of the following research methods runs the greatest risk.
Given the consumer is 18 to 24 years old, what is the probability that the consumer uses a plastic card? Given the consumer is over 24 years old, what is the probability that the consumer uses a plastic card?
When performing a chi-square test for independence, explain how the "cell frequencies under the independence assumption" are calculated.
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