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If demand is normally distributed,
a. a basic EOQ is appropriate.b. a single-period model could not be appropriate.c. we should produce to fill demand, rather than filling it through orders.d. none of the above would be true.
Suppose a worker needs to process 400 items. The time to process each item is exponentially distributed with a mean of 2 minutes, and the processing times are independent.
The average buglary rate for a juisdiction has been 311 per year with a standard deviation of 50 what is the probability that next year the number of burglaries will be more than 350.
Find the 95% confidence interval of the mean number of ER patients treated each day at the hospital.
what are the probability of you having the disease?
A survey of 120 high school students shows that 39 of them work over 20 hours per week during the school year. Does it demonstrate the conjecture that more than 25% of the high school students work over 20 hours per week during the school year?
How does a t test differ from a z test in terms of when it is used, how it is calculated, and how we determine significance?
To see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made. see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made.
Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 41% of the viewing audience in the area. In a survey of 100 viewers, 36% indicated that they watch the late evening news on this local CBS station. What is t..
A statistics professor planed her classes so carefully that the lengths of her classes are uniformly distributed between 45 and 55 minutes. Find the probability that a given class period runs greater than 50.25 minutes.
A large population of overdue bills has balances that follow a normal curve. When we take a sample of 100 of these the average is $500 and the SD is $100.
Whether regression can be used to estimate the Demand from other data in the file. So that Howies can determine the daily supply in a more cost effective way.
What is the required sample size if you need to estimate the number of workers in the United States who are highly satisfied with their job and you want the estimate to be within 2 percentage points of a 96% confidence interval.
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