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Question: A teacher tells three boys, Drew, Chris, and Jason, that two of them will have to stay after school to help her clean erasers and that one of them will be able to leave. She further says that she has made the decision as to who will leave and who will stay at random by rolling a special three-sided Dungeons and Dragons die. Drew wants to leave to play soccer and has a clever idea about how to increase his chances of doing so. He figures that one of Jason and Chris will certainly stay and asks the teacher to tell him the name of one of the two who will stay. Drew's idea is that if, for example, Jason is named, then he and Chris are left and they each have a probability .5 of leaving; similarly, if Chris is named, Drew's probability of leaving is still .5. Thus, by merely asking the teacher a question, Drew will increase his probability of leaving from 1 3 to 1 2 . What do you think of this scheme?
She concluded that encouraging teachers to be properly attired will increase academic performance. Do you agree or disagree with her conclusion? Support your answer.
The chart at the right. Does this sample indicate that songs classified as dance music have lower beats per minute than the songs ranked on a Top 200 list?
suppose you want to compare the amount of credit card debt for males and females. the null hypothesis for this problem
it is estimated that 3.6 of the general population will live past their 90th birthday. in a graduating class of 733
Construct a scatter plot of the raw data. Then, run the correlation/regression program.
How many percent of the subscribers rented a car during the past 12 months for personal reasons? Show work!
What is the probability both will complete on time; that at least one will complete on time; that neither will complete on time?
Suppose that you want to disprove this claim, believing the actual average is lower, and your random sample of 15 months revealed a sample mean of 2.1 million visits and a standard deviation of 1.2 million. Conduct the test using α = 0.05. What is..
Sarah I) sells 10,400 CDs every year. I)igiSound wholesales them to her for $3.50 each for orders in excrs of 250 CDs and $4.00 for smaller orders. l'here is a S10.00 processing and delivery charge for each shipment, regardless of its size.
Derive the quantization formula based upon the variance of a sinewave and the variance of distortion due to quantization. SDR = 6(A/Δ)2
A unit of the international food company Danone (www.danone .com), Nutricia (www.nutricia.com) develops, markets, and sells medical nutrition for people who are sick or who need extra energy. The company records most of its sales in Europe, but it..
Would this be a T-value distribution? Can you take me through the steps to determine upper and lower limits of a 95% confidence interval?
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