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Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson. How would you characterize the difference between the two types of distributions?
The data given below represent the annual gross revenue (N'millions) obtained by a telephone company over the periods 1987 - 1996:
A researcher used stepwise regression to create regression models to predict Birth-Rate (births per1000) using five predictors:
Explain why we need to use the t distribution. What assumption do you need to make?
The consequences of the central limit theorem is that if we end up averaging the measurements of a particular quantity, the distribution of an average tends on going toward a normal one?
We want to estimate the population mean within 5, with a 99% confidence level. The population std dev is estimated to be 15. How large is the required sample size?
Four percent of DVD players manufactured by an electronics company are defective. Suppose six DVD players are randomly selected from the production line. Each DVD player is determined to be defective or non-defective.
When 40 people used the Weight Watchers diet for one year, their weight losses had a standard deviation of 4.9 lb (based on data from "Comparision of the Atkins, Ornish, Weight Watchers, abd Zone Diets for Weight Loss and Heart Disease Reduction, ..
A brand name has a 60% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of 10 randomly selected consumers, find the probability that exactly 6 of the 10 consumers recognize the brand name.
For the data shown below, prepare a x-bar chart. Note that the sample size is three. Record the values for the UCL, center line, and LCL. In addition, note any points that are out of control.
Solve different inventory control problems using an appropriate OR method.
The following data were obtained from an independent measures research study comparing three treatment conditions. Use an ANOVA with alpha=.05 to determine whether there are any significant mean differences among the treatments.
Compute standard error of mean? Compute the margin of error, with 95% confidence.
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