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1. Imagine yourself at a fair playing one of the midway games. Pick a game and calculate the expected value and post your results along with how you calculated them. For example, you may decide to throw a basketball to try to win a $10 bear. You paid $2.00 for three shots. What is the expected value? (Please do not use this example in your answer) 2. In one sentence, summarize what you understand of the Central Limit Theorem. 3. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Plan and describe the sampling procedure, then use the results to construct a confidence interval estimate of the mean age of all books in the library. Please, post and share your results with the class. 4. se the mean and the standard deviation obtained from the last module and test the claim that the mean age of all books in the library is greater that 2005. Share your results with the class.
Compute the expected time until the 100 th student arrives. What is the probability that the time between the arrival of the 200th and the 201st student exceeds 2 days?
A teacher gives a third grade class of n=16 a vocabulary test at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores revealed an average improvement..
Binomial probability distribution
Evaluate the correlation coefficient.
A variable contains five categories. It is expected that data are uniformly distributed across these five categories. To test this, a sample of observed data is gathered on this variable resulting in frequencies of 27, 30, 29, 21, and 24. Alpha is 0...
Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.
the initial research proposal will consist of the following six items1. identify a business research topic2. define the
Why does Course Hero state $14.95 for one month then when I try and sign up it states a min of 3 months at $19.95?
Tutor O-rama claims that their services will raise student SAT math scores at least 50 points. The average score on the math portion of the SAT is μ = 350 and σ = 35. The 100 students who completed the tutoring program had an average score of 385 poi..
Based on the information provided for this hypothesis test, what decision should you come to? (Assume that the population is normally distributed.)
A) What is the probability of a randomly selected resident being in favor of the bridge?B) What is the probability that a randomly selected resident is a woman and is Opposed to the bridge?C) What is the probability of a randomly selected resident be..
A Gallup Poll used telephone interviews to survey a sample of 1025 U.S. residents over the age of 18 regarding their use of credit cards. The poll reported that 76% of Americans said that they had at least one credit card. Give the 95% margin of erro..
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