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Can you explain confidence interval to me? For example: when someone is asking what is the 95% CI for age range in a sample.
suppose that a and b are events defined on a common sample space and that the following probabilities are known. find
Early Geiger counters would often err when recording the number of radioactive particles emitted. Suppose that the proportion of error is uniformly distributed on the interval [-.2, .4]. (Note: X = .1 implies that the counter recorded 10% more par..
Find the probability that the proportion of teenagers in the sample who play videos games on their phone is less than 0.490.
You are the member of the marketing team at Sara Bellum's Pizza - the pizza for people who think too much!! Your mission is to evaluate two locations and determine if there is any difference in their suitability as locations for the next Sara Bell..
The data are shown in the table below. Is there a difference in mean systolic blood pressure among treatments? Run the appropriate test at a= 0.05.
A newspaper report on results of the American Time Use Survey of 2003 mentions the "decades-long trend of people moving farther away.
Students that are in the top 5% will receive a 20% off coupon at the "Crazy" cafeteria. What is the minimum number of attendance days that you should have in order to receive such discount?"
assume that a quality characteristic is normally distributed. an x-bar control chart is constructed with 3 sigma
-Explain at least two (2) possible reasons for the differences between the results of exploration and trade by the Chinese and by the European states.
Do the students at your school feel the same way? Describe how you would go about selecting a sample to answer this question.
What is the probability that none of the lines experiences a surface finish problem in 40 hours of operation. What is the probability that all three lines experience a surface finish problem between 20 and 40 hours of operation.
Cholesterol The level of cholesterol in the blood for all men aged 20 to 34 follows a Normal distribution with mean 188 milligrams per deciliter (mg/dl).
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