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7.) In the gambling game chuck-a-luck, for a $1 bet, it is possible to win $1, $2, or $3 with respective probabilities of 75/216, 15/216, and 1/216. One dollar is lost with a probability of 125/216. Let X equal the winnings for this game.a.) Find E(X). (Note that when a bet is won, the $1 that was bet is returned to the bettor in addition to the $1, $2, or $3 that is won, but the returned dollar does not count as part of the winnings.)
Illustrated significant negative relationship between amount of homework assigned and student attitudes. Determine the explanatory variable and explain the response variable?
Give an example representing a discrete probability distribution and a continuous probability distribution. Explain why your choice is discrete and continuous.
Test whether there is significant difference in the test anxiety level of the three groups using nonparametric test.
In a random sample of 150 sports cars, 60 failed emissions on the first pass. Is there sufficient evidence to indicate that the percentage of first failure for sports cars is higher than the percentage for all passenger cars?
Consider the following two binomial experiments. In a binomial experiment consisting of six trials, how many outcomes have exactly one success and what are these outcomes?
A member of Congress wants to determine her popularity in a certain part of the state. She indicates that the proportion of voters who will vote for her must be estimated within plus or minus 2 percent of the population proportion.
Find a 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.
Normally distributed with a mean of $70,000 and a standard deviation of $20,000. Twenty percents of the loans are larger than what amount?
Determine the probability that we would reject null hypothesis given that it is true?
State the null and alternative hypotheses for the ANOVA (include definitions of parameters). What assumptions do we need to proceed with ANOVA?
How many participants would be required to ensure that a 95% confidence interval for the mean difference in the number of drinks is within two drinks of the true mean? Assumed that the standard deviation of the difference in the mean number of dri..
Consider a random sample of six families who are asked if their children have an influence on their vacation destination.
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