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Question: The following situation actually occurred in a 2009 college football game between Washington and Notre Dame. With about 3.5 minutes left in the game, Washington had fourth down and one yard to go for a touchdown, already leading by two points. Notre Dame had just had two successful goal-line stands from in close, so Washington's coach decided not to go for the touchdown and the virtually sure win. Instead, Washington kicked a field goal, and Notre Dame eventually won in overtime. Use a decision tree, with some reasonable inputs, to see whether Washington made a wise decision or should have gonefor the touchdown. Note the only "monetary" values here are 1 and 0. You can think of Washington getting $1 if they win and $0 if they lose. Then the EMV is 1*P(Win) + 0*P(lose) = P(Win), so maximizing EMV is equivalent to maximizing the probability of winning.
1. a random sample of size 49 is drawn from a population with a standard deviation of 11. if only 18 of the time a
the journal of research in crime and delinquency has published a study on the situational characteristics of crimes. in
The article "Psychiatric and Alcoholic Admissions Do Not Occur Disproportionately Close to Patients' Birthdays" (Psychological Reports, 1992: 944-946) focuses on the existence of any relationship between the date of patient admission for treatment..
With 96 large hurricanes observed over the 16 periods, what are the expected value(s) for each cell? b) What kind of chi-square test would be appropriate?
If a transit employee provides a strand of hair for drug testing, state the null and alternative hypotheses in verbal terms, then identify what would constitute a Type I error and a Type II error in this situation.
1. a previous survey showed that 83 of the people who take the daily newspaper read the sports section. what sample
Evaluate the factor effects. Find out which factors are significant in explaining yield.
if the distribution is approximately normal the t-test is a more powerful test about the central tendecy of the
The store used ANOVA to test if the mean sales for each credit card were equal. What are the degrees of freedom for the F statistic?
You have a chance to buy one of two cars. They are about the same age and appear to be in equally good condi- tion. Would you rather buy the one with a positive residual or the one with a negative residual? Explain.
Distinguish between the types of audits that might be used for each process. Recommend the audit most appropriate for each process.
He wonders if this evidence contradicts his belief in a uniform distribution of miles across the days of the week. Explain why it is not appropriate to test his hypothesis using the chi-square goodness-of-fit χ2 test.
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