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Check the applicability of Chebyshev's theorem and the empirical rule for the data set in given problem.
Problem Following are the numbers of daily bids received by the government of a developing country from firms interested in winning a contract for the construction of a new port facility.
2, 3, 2, 4, 3, 5, 1, 1, 6, 4, 7, 2, 5, 1, 6
Find the quartiles and the interquartile range. Also find the 60th percentile.
a sample of 800 voters revealed that 52 of them would vote for a specific issue. create and interpret a 95 confidence
A survey of Kentucky fire departments was conducted to assess their respiratory protection practices, barriers to program implementation, and medical evaluation programs. A 62% survey response rate was achieved.
Write down an approximation to the distribution of X based on the central limit theorem. How would you expect the success of the approximation to vary with n?
In a random sample of 225 students at a university, 180 stated that they were nonsmokers. Based on this sample, compute a 95% confidence interval for the proportion of all students at the university who are nonsmokers.
If three of these computers are placed in parallel aboard the proposed space station, what is the system reliability for the first 6 months of operation?
The calcium (Ca) content of a powdered mineral substance was analyzed 10 times with the following percent compositions recorded: 0.0271 0.0282 0.0279 0.0281 0.0268 0.0271 0.0281 0.0269 0.0275 0.0276 a. Find a 99% confidence interval for the true calc..
on tuesday after thanksgiving a market research firm took a simple random sample of 300 city college students. on
If a random sample of 64 test scores is selected, what is the standard deviation of the sample mean? What is the probability that 64 randomly selected test scores will have a mean test score that is between 475 and 525?
an airline knows from experience that the distribution of the number of suitcases that get lost each week on a certain
quadrants of the BCG Matrix
Using the attached data set, please calculate a multiple regression that examines whether age, gender, and student's extroversion predict if a student wants the lecturer to be extroverted.
Find the probability that a randomly selected student has a runny nose and Find the probability that a randomly selected student has a sore throat or a runny nose
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