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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.
In 2005, Britain raised the age at which retirees can get public pensions from 65 to 67. One newspaper, the Daily Telegraph, argued that "one in five who formerly would have lived long enough to receive a pension will now die before receiving a penny..
Regression analysis is one of the most widely used statistical techniques in the social sciences. So, what is it? In your answer, apply some of the techniques we have learned to regression -
Calculate the mean and standard deviation and Based on these statistics, describe how these anthropometric data compare to the US male and Chinese female populations.
A researcher hypothesizes that people who listen to music via ear buds have greater hearing loss than those in the general population. On a standard hearing test, the mean (μ) is 24.75. Higher values indicate better hearing
How many of Acme's employees use drugs?How many of the employees who use drugs get a positive test result?How many of the employees who do not use drugs get a positive test result?
ltbrgtas of last year only 20 of the employees in an organization used public transportation to commute to and from
condence interval fornbspmu when sigma is knownsuppose n 9 people are selected at random from a large population.
Comment on the production control situations depicted by the four control charts shown on the following page, and state what action, if any, would be necessary in each case.
American Theaters knows that a certain hit movie ran an average (μ) of 84 days in each city, and the corresponding standard deviation (σ) was 10 days. The manager of the southeastern district was interested in comparing the movie's popularity in his ..
Burger Q sells about 500 DoubleHappinness burgers daily. It is their trademarked star seller that is a double burger. As their customers are rather unpredictable, they need to carry extra 750 burgers. Burger Q buys the patties from John’s Farm, who c..
Respond to your peers or the professor and tell the person whether his answer is correct or incorrect and explain why. Indicate the name of the topic and the name of the slice on the Subject line so it is easier for others to follow. Pleas..
Statistics from Cornell's Northeast Regional Climate Center indicate that Ithaca, NY, gets an average of 35.4" of rain each year with a standard deviation of 4.2". Assume the data is normally distributed.
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