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The mean height of the women in a large population is 1.671m while the mean height Of the men in the population is 1.758m. The mean height of all the members of the Population is 1.712m. Calculate the percentage of the population who are women.
What facts and/or statistics would you need to know to expose this misleading claim? The larger the sample, the more reliable the results." Do you agree or disagree with this statement? Explain.
The times it takes workers to complete a task at a certain assembly plant are normally distributed with mean = 10 minutes and standard deviation = 2 minutes.
You are to take a multiple-choice exam consisting of 100 questions with five possible responses to each. Suppose that you have not studied and so must guess (select one of the five answers in a completely random fashion) on each question. Let r.v...
Write the Lagrangian for a one-dimensional particle moving along the x-axis and subject to a force F=-kx (with k possitive). Find the lagrange eqn of the motion and solve it.
Estimate the population mean
a jobs are sent to a printer at an average of 4 jobs per hour.i what is the expected time between jobs?ii what is the
Determine point estimate of population mean? By using 90% confidence, determine the margin of error?
in the health abc study 631 subjects owned a pet and 1978 subjects did not own a pet. there were 274 women among the
You now begin to flip the coin in order to learn more. Obviously, if you ever see a tail, you know immediately that the coin is fair. As a function of F, how many heads in a row would you need to see before becoming convinced that there is a bette..
What is the largest value you can use for a random start? Using the following list of the first 15 items in your population, a random start of $25,000, and a rounded sample interval of $100,000.
Compute variance, standard deviation, range, interquartile range, CV, and minimum and maximum Z scores. Are there any outliers? Explain.
Assuming a normal distribution, What is the z-score associated with the second quartile? If we wish to have 95% confidence interval, what would be the value of the confidence coefficient?
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