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An oil company stores gasoline in five different types of tanks A, B, C, D, and E. The data on the storage capacities (in millions of gallons) of the tanks of type A, B, C, D, and E and the available number of tanks of each type are as follows: Storage capacity: 54.3 83.4 78.5 65.4 41.4. œ ß œ ß œ ß œ ß œ " % & $# Number of available tanks of each type: 538, 894, 727, 632, and 478. Assume A œ A œ A œ A œ A œ " # $ % & that all the tanks are filled to the capacity, and calculate the mean, variance, and standard deviation of the quantity stored in the tanks.
A sample of 100 mortgages approved during the current year showed that 31 were issued to a single-earner family or individual. The historical average is 25 percent.
Standard deviation of 10 minutes. A random sample of 16 cars is selected. What is the probability that the sample mean is between 45 and 52 minutes.
If 2 circuit boards are selected at random without replacing the first, what is the probability both circuit boards are defective?
Shouldn"t say never, two have made it from maybe twenty. This one makes it, Does anyone know what the popular vote was.? What was the percentage for each leader?
Read "In the Matter of BJ's Wholesale Club, Inc., FTC File No. 042 3160, June 16, 2005, Agreement Containing Consent Order" at www.ftc.gov/opa/2005/06/bjswholesale.htm.
Imagine that you have a portfolio of stocks. You want to compare the performance of your stocks to the market as a whole. You learn that the population mean,μ, of stock returns is 7%, and that the population standard deviation, σ, is 2%.
Calculate the measures of central tendency, dispersion, and skew for your data. Display your descriptive statistical data using graphic and tabular techniques.
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
a 90 confidence interval for the mpg of the ford c-max is 40.59 45.01. this interval is based on n 10. if we computed
The standard deviation is thought to be $750. How many card holders should be sampled? Your company charges a set dollar amount for each account in the sample.
1.Dave has $100,000 to invest in 10 mutual fund alternatives with the following restrictions. For diversification, no more than $25,000 can be invested in any one fund.
Write a short paper on the creation and effects of the Cotton Gin. Everything that is referenced or compared must be before 1875.
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