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A coin was flipped 60 times and came up heads 38 times (a) at the time .10 level of significance is the coin based towards heads? show your decision rule and calculations (b) calculate a p value and interpet.
Let X1,... x30 be independent Poisson random variables having mean 1. (a) Use Chebyshev's inequality to find a lower bound on the probability.
lakewood fashions must decide how many lots of assorted ski wear to order for its 3 stores. Information on pricing, sales and inventory costs has led to the following payoff table. what decision should be made using minimax regret.
One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are away from home. The local chief of police estimates that 5 percent of the garages with open doors will have something stolen
Find the probability that a randomly selected man will be shorter than 78.1 inches. Don't forget the diagrams for (b) and (c).
Assume the chief does not want his officers to cite a car for speeding unless they are 99% sure that it is travelling at 58 miles per hour or faster. What is the minimum estimate of speed at which a car should be cited for speeding?
Machine is not filling the bottles completely. A sample of 8 bottles is taken. Is there enough evidence to support the consumer's conjecture at alpha = .10?
What should the cut-off score be for the interviews? (Round to nearest whole number).
How do question content and wording, response strategy, and preliminary analysis planning affect question construction? Provide examples of questions that were positively and negatively influenced by these elements.
Evaluate the importance of each of these sums of squares. Give the 99% Scheffe confidence intervals for the linear and quadratic contrasts.
Formulate the hypotheses that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency rating for large cars.
Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.
What is the probability that all 5 are basketball players? If the players are to be arranged in a line, how many arrangements are there if the basketball players are together?
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