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Two coins. In a drawer are two coins. They look the same, but one coin produces heads 90% of the time when spun while the other one produces heads only 30% of the time. You select one of the coins. You are allowed to spin it once and then must decide whether the coin is the 90%- or the 30%-head coin. Your null hypothesis is that your coin produces 90% heads.
a) What is the alternative hypothesis?
b) Given that the outcome of your spin is tails, what would you decide? What if it were heads?
c) How large is in this case?
d) How large is the power of this test? (Hint: How many possibilities are in the alternative hypothesis?)
e) How could you lower the probability of a Type I error and increase the power of the test at the same time?
Your CEO wants to determine the optimum locations to begin development of new sites for 10 more communities in the next two years.
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The police and the public defender share a computer. What security problems does this present? Do you feel it is a reasonable cost-saving measure to have all public agencies share the same (set of) computers?
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How is a horizontal partitioning of a relation specified?
determine the largest angle and the minimum coefficient of static friction at A so that the roller remains self-locking, regardless of the magnitude of force P applied to the belt. Neglect the weight of the roller and neglect friction between the ..
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How would you display the man page for shadow in section 5 of the system manual?
Build the best multiple regression model you can for the purposes of predicting head injury severity, using all the other variables as the predictors.
Where did the concept of object oriented programming originate
Find the prime numbersless than or equal to the following natural numbers.
There are many techniques that are used to harden a system. Examine the various techniques that are used and select two that you would recommend being used in your organization and two that you would not recommend. Provide a rationale for your res..
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