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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?
specify the level of measurement used for each of the following itemsresponse time to flashing imagesrating of job
Distributed with mean 4.6 minutes and standard deviation 1.4 minutes. If there are 75 students in class, determine probability the professor requires more than 6 hours to mark all of the midterms?
Identify the dependent variable for this study and what scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the dependent variable?
Suppose that you have a sample mean of 49 and a standard deviation of 3, but now found those values from a sample of 20 observations. test the hypothesis allowing for type 1 error to equal .05.
when comparing your district average to the state average what is the appropriate test of the hypothesis that your
if the endpoints of a confidence interval for the difference between a pair of treatment means are both positive
A shipment of 10 items has two defective and eight nondefective items. In the inspection of the shipment, a sample of items will be selected and tested. if a defective item is found the shipment of 10 will be rejected.
a mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed with a mean life of
A survey of random sample of people leaving an amusement park showed an average expenditure number 10.30k for the evening.
The batteries used in a digital watch have an operating life that is normally distributed. As sample of 18 batteries reveals a mean of 2.35 years and a standard deviation of 0.4 years.
B is independent of C or not? Focus on probabilities assigned in the subsets, 0.05 is repeated in C, but 0.10 is repeated in B, so P(A∩C)=?
What is meant by an independent sample? What is a related sample? When should researchers use different hypothesis tests for independent and related samples?
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