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The average gas mileage of a certain model car is 29.0 miles. If the gas mileages are normally distributed with a standard deviation of 0.6 miles per gallon, find the probability that the car has a gas mileage of between 28.8 and 29.2 miles per gallon.
Chi-square test for independence of attributes - Describe why a x 2 test of the resulting contingency table is appropriate for such an investigation.
Illustrate for what value does probability XYZ will offer a competing product will ABC be indifferent among the alternatives.
A standard for full credibility of 1,000 claims has been selected so that the actual pure premium will be within 10% of the expected pure premium 95% of the time. The number of claims has the Poisson distribution. Determine the coeffcient of vari..
Solve the mean and standard deviation equations
Hypothesis test for two factors ANOVA. Describe what thses represent and, based on figure, whether there is a problem with the data r otherwise.
Recent crime reports indicate that 5.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.
Construct a frequency distribution and construct a histogram for the following data and use seven intervals, starting with 30-39.
Why do we have so many several measures of central tendency? Are all really essential or do they essentially give same information?
Start rolling dice until a particular number, say 3, is obtained, and keep track of how many rolls are necessary. Repeat 100 times. Then find the average.
Explain the applications of statistics in your own field (Business Administration/Accounting) - Construct a stem and leaf display.
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
Determine the 95% confidence interval for the population mean, based on the sample mean.
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