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Question: Linda lechner is in charge of maintaining hospital supplies at general hospital. duing the past year the mean lead time demand for bandage BX-5 was 60. Furthermore, the standard deviation was 7. Linda would like to maintain a 90% service level, what safety stock level do you recommend for BX-5?
beverly mills has decided to lease a hybrid car to save on gasoline expenses and to do her part to help keep the
Use x for the number of bats and y for the number of balls made per week. The number of work-hours avaiable for construction and finishing is fixed.
Large non-normal population with a mean of 10 and variance of 16, what would be the mean, variance, standard deviation and shape of the distribution of sample means? Give reasons for your answers.
The regression was run using a random sample of 213 firms listed in the Value Line Investment Survey. The reported results are where the number in parentheses is the standard error. Is there a linear relationship between the two variables?
What is the 95% confidence interval for the mean number of microwaves sold at a retail store in the chain last week?
1. (The Excel file BASE.XLS, found on the CD that came with your Berk and Carey text, has average career batting averages for 263 major league baseball players at the start of the 1988 season. a. Calculate descriptive data statistics (e.g., mean, ..
When traveling, some motorists assume that a restaurant has good food and reasonable prices if there are a lot of trucks parked outside. What other observed characteristics of a restaurant might a traveler use in deciding whether to stop and eat?
Please construct an appropriate chart/graph that displays the relevant information for these two variables (comparative mean score of creative pre-post test).
What is the event corresponding to the above system failing during one period of operation and what is the event corresponding to the above system functioning properly during one period of operation?
the rapid test is used to determine whether someone has hiv the virus that causes aids. the false-positive and
A consumer psychologist asked to test a claim by a swimming school that its instructors could teach the average seven-year-old to swim across an Olympic-sized pool in less than 2 minutes. The psychologist arranged for eight randomly selected seven..
Consider a random sample X1 ,X2 ,• • • , X,, from the Weibull distribution with p.d.f. f( x; 0, -r) = 0-rxi - 1e-0xr, 0 x oo, where O 0, 0 -r, zero elsewhere. (a) If -r is known, find the m.l.e. of 0.
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