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The Operational experts of Woodbridge Electric have announced a breakthrough in the production process and the mean of the same bulb has increased to 9000 hours and the standard deviation has decreasing to 200 hours (again assume a normal distribution). Using the same 2.5% constraint how does this affect the warranty? Is this good news or bad for the customers and the firm?
q1. which of the following best describes the research question for this study?a.what are the reasons people drive
Psychomotor retardation scores for a large group of manic-depressive patients were approximately normal, with a mean of 930 and a standard deviation of 130. What fraction of the patients scored: a) between 800 and 1,100? b) less than 800? ..
Collect a real data set consisting of a sample of at least forty observations
question 1you are a data analyst working for the australian petrol pricing commissioner and have been requested to
The focus of the research will be in restaurant and coffee field, may you write this in the problem statement and must write it in the scope of the study.
essay questionsquestion 1 you are designing a grocery delivery business. via the internet your company will offer
The shelf life of a battery produced by one major company is known to be Normally distributed, with a mean life of 4 years and a standard deviation of 1 years.
Let X1, X2 be two random variables with joint pdf f(x1, x2)=4x1x2, 0
How would you interpret these results in terms of the likely precision of the sample means as estimators of their respective population means?
Statistics from Cornell's Northeast Regional Climate Center indicate that Ithaca, NY, gets an average of 35.4" of rain each year with a standard deviation of 4.2". Assume the data is normally distributed.
What is the reality of the use of e-learning from the perspective of students of the First Level in the Department of Management Information Systems at University of Hail
To display the distribution of "countries of origin" for cars in a USCB parking lot, which type of graph could be appropriate?
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