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A delivery truck averages 15 miles per gallon, with a standard deviation of 3 miles per gallon, and that fuel consumption is Normally Distributed. Using the Normal Distribution, if the total trip mileage for that day is 200 miles, what is the minimum amount of fuel (gallons) that the driver should start the trip with to ensure there is only a five percent chance of running out of fuel prior to completing the trip. Also, define the Random Variable.
Please show all work and graphs.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
A dish contains 20 gumballs - 9 blue, 6 red and 5 white. We randomly select two gumballs from the dish without replacement. a) Let X be the number of blue gumballs selected. Complete the probability distribution of X by filling in the appropriate p..
Compute mean, standard deviation, coefficient of variation and 5 key percentiles for these data.
Find a 95% confidence interval for the difference in the proportion of deaths between the streptokinase and the control group.
Expectation and variance of a random variable and let X be a random variable with the following probability distribution:
A local politician in this town has stated that the average property taxes are $1800 and most people do not pay more than this amount. Conduct a test at the alpha = .01 level to determine if this is true. For this test, consider a sample size of 3..
The standard deviation is estimated to be 0.279. Use the 99% level of confidence.
A realtor took a random sample of records of sales of homes from the files maintained by the Albuquerque Board of Realtors.
A certain airplane has two independent alternators to provide electrical power.
There are three versions of a board game released - version 1, version 2, and version 3. The versions are distributed equally and evenly among all potential sellers of board games.
Consider the following frequency table of the performance ratings on a scale of 1-good, 2-fair, and 3-poor, bestowed on their local baseball team by a collection of 100 fans:
Describe the methods for interpretation of categories (row or column) in CA. Can categories always be directly compared based on proximity in the perceptual map?
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