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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.
Suppose that the New England Colonials baseball team is equally likely to win any particular game as not to win it. Suppose also that we choose a random sample of Colonials games.
A large disaster cleaning company estimates that 30% of the jobs it bids on are finished within the bid time. Looking at a random sample of 8 jobs that it has contracted: calculate the mean number of jobs completed within the bid time. Find the proba..
An article by Julia Moskin in the New York Times reports on the use of cheap wine in cooking.18 Assume that the following results are taste-test ratings, from 1 to 10, for food cooked in cheap wine.
A student surveyed 200 students about hours a night spent sleeping, the data showed a normal distribution with a mean of 6.8 hours and a standard deviation of 0.75 hours. what percentage of the students spent less than 4.55 hours sleeping per..
The ratio of the two population variances.
Provide an example of the use of multiple regression
What was the sample size and how was the data collected? State the meaning of the confidence interval in terms of the specific question or poll.
What is a hypothesis test? Why do we need to use them to make decisions about relating sample results to the population; why can't we just make our decisions by the sample value?
Construct a stem- and leaf display for each variable.
What does it mean for a sample to have a standard deviation of 0? Describe the scores in such a sample.
In a poll, 51% of he people polled answered yes to the question "are you in favor of the death penalty of a person convicted of murder?" the margin of error in he pole waa 2% and the estimate was made with 95% confidence. At least how many people wer..
Develop a LP model to minimise the total cost for the Wade Co. to meet the demands for the next three months. Use a suitable computer software to solve the LP problem.
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