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You have a standard deck of cards and you take out 2 cards at random. Let Y1 represent the number of red Queens in your sample and let Y2 represent the number of spades in your sample.
a) Calculate p. it is mean p(Y1, Y2);
b) Calculate var (Y1I Y2=1)
c) Determine E (Y2I Y1=0)
What is the sampling distribution of sample means? What is the mean of the sampling distribution of sample means?
Test whether the gender distribution for basketball fans is significant different from general college by proportion test.
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Use a 1% level of significance to test the claim that there are more calls during the night than in the day.
Without good measurement, statistical analysis is worthless." Do you believe it is an overgeneralization, or do you think it is accurate as written?
Construct a 95% confidence interval for the population mean.
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A linear regression between Y and X produced the following equation for the least squares line:
One characteristic of billiard balls is their elasticity - the bounce they get when striking one another. A manufacturer of billiard balls is testing three additives to the basic plastic.
Calculate the average of deposits per bank for FDIC- inured institutions during both time periods and describe the relationship between the two averages. Provide a reason for the difference.
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