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Nexium is a drug that can be used to reduce the acid produced by the body and heal damage to the esophagus due to acid reflux. The manufacture of Nexium claims that more than 94% of patients taking Nexium are healed within 8 weeks. In clinical trials, 213 of 224 patients suffering from acid reflux disease were healed after 8 weeks. Test the manufacture's claim at the α=0.01 level of significance level using: a) P-Value method b) Critical Value method
If a student gets an SAT score that is the 79-percentile, find the actual SAT score.
A? government's department of transportation reported that in? 2009, airline A led all domestic airlines in? on-time arrivals for domestic? flights, with a rate
A random sample of 256 Australian executives was asked how many hours per week they spent on work brought home from the office. The average was found to be 15.6 hours. Assuming a population standard deviation of 4 hours, estimate the 99% confidenc..
Determine the regression equation for predicting scholarly productivity (Y) from institutional comprehensiveness (X). For an institution with a comprehensiveness score of 175, predict the psychology department's scholarly productivity score
Please review the following questions and provide a detailed answer for each one. They are from Introduction to statistics. Thanks!
The property is a large mansion house on a main thoroughfare in a medium-sized city. It was constructed originally in 1917 to house the family of Oscar W
Estimating the individual score using normal distribution - blood pressure higher than what amount?
Coffee sales. Owners of a new coffee shop tracked sales for the first 20 days and displayed the data in a scatterplot (by day).
A. Create the probability distribution table for grade points for this professor. B. Find the mean of this probability distribution and provide and interpretation of this mean. C. Find the variance and standard deviation.
More generally, suppose that there is one "you lose" piece of paper, with "weight" v, and there are n blank pieces of paper, each with "weight" w.
A normal distribution was used as the prior for the mean, and it was found that posterior mean was 15 and the posterior standard deviation was 0.1 what were the mean and standard deviation of the prior.
question it would be quite risky for you to insure the life of a 21-year-old friend under the terms of above
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