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A spymaster has a network of 7 operatives whom he pays out of a slush fund containing $20000. For accounting reasons, his service requires him to use up his entire fund and to pay his operatives in integer multiples of $1000.
(a) How many different ways can he pay his operatives?
(b) Since an unpaid operative is unreliable, the spymaster decides that every operative will get at least $1000. With this rule, how many different ways can he pay his operatives?
Based on the information in part (a), what decision should the director make about the books used for the courses if the goal is to keep the cost below $300?
One should never use a regression line to predict the dependent response variable when the independent value is outside of the data range of the original data set that was used to fit the line.
Construct a 96% confidence interval for the mean weight of all firefighters six months after the exercise rooms were installed.
Using the p-value approach, test the hypotheses at the 1% level of significance.
An experimental drug is administered to 30 randomly selected indivduals, with the number of individuals responding favorably recorded. Does this represent a binomial experiment.
(a) Give a 95% confidence interval for the mean ARSMA score of Mexicans. (b) What assumptions does your condence interval require?
Rental car gasoline prices per gallon were sampled at eight major airports. Date for Hertz and National car rental companies follow (USA today April 4, 2000)
If Belson Electronics's new converter produces less than the 110 volts of their old product, they must redesign it. A sample of 303 converters generated a mean of 107.2 volts, with a standard deviation of 47.3 volts. Set Alpha at 5 percent.
If Larry gets a 70 on a physics test where the mean is 65 and the standard deviation is 5.8, where does he stand in relation to his classmates?
Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean crash damages the same for these three vehicles?
let s a b c be a sample space.a suppose p is a probability on s and that you know pa 0.2 and pa b 0.5 then what are
1.an inventor claims that a device increases gas mileage by 4. a test of the device was done by randomly selecting 10
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