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Answer each question with a minimum of 50 words per question:
1) Describe a scenario where you believe a binomial distribution would be appropriate. Describe a scenario where you believe a geometric distribution would be appropriate. Explain your reasoning for both scenarios. Discuss what could have gone wrong (from a probability standpoint) with this type of game-fixing. How confident should the conspirators have been that this plan would work? Does the selection of any of the numbers affect the selection chances of the other two numbers, and explain your reasoning.
2) Consider the following problem:
A top NHL hockey player scores on 93% of his shots in a shooting competition. What is the probability that the player will not miss the goal until his 20th try? Discuss whether this problem is describing a binomial distribution or a geometric distribution. What event is considered a success? What event is considered a failure? Explain your answers to both.
The administration of Midwest State University wants to know if arrangement of chairs affects student participation in classrooms. What would be a good operational definition of the dependent variable in an experiment designed to measure this rela..
A noted psychic was tested for ESP. The psychic was presented with 400 cards face down and asked to determine if each card was marked with one of four symbols: a star, cross, circle, or square. The psychic was correct in 120 cases. Let p represent..
Is it likely that you will answer at least forty-four questions correctly on the test? Explain. John randomly guesses to answer each question. Is his score of thirty-four out of eighty-eight unusual? Explain
If there is enough evidence to reject the claim of no difference in the ages of the two groups. Use the standard deviations from the samples and the P-value method.
Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. (Round your answer to two decimal places.)
Differentiate between a point estimate and an interval estimate for a population parameter. What is necessary for an interval estimate to be a confidence interval?
in an experiment involving matched pairs a sample of 13 pairs of observations is collected. the degree of freedom for
Determine whether P constitutes a Bayesian network with the DAG X -> Y -> Z: Determine whether P constitutes a Bayesian network with the DAG X -> Z
A social scientist believes that university theology professors are more conservative in political orientation than their colleagues in psychology
If new inspector measures 101 stampings with variance of 0.13 square inch, test at 0.05 level of significance whether inspector is making satisfactory measurements. Suppose normality.
Researchers have determined that patients who are smokers have 18% chance of contracting a serious illness. What is the probability that a given patient if the patient has a serious illness?
Why might normality be an issue here? (c) What sample size would be needed to obtain an error of ±10 square millimeters with 99 percent confidence? (d) If this is not a reasonable requirement, suggest one that is.
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