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In a Midwestern state an automobile insurance company has a large number of customers. From company files it is known that 80% of the customers have only the state minimums for insurance. An official with the state board of insurance is going to take a random sample of 100 accounts to review. Find the standard deviation of the sample proportion in this situation.
Give your answer to 4 decimal places. For help on how to input a numeric answer, please see "Instructions for inputting a numeric response."
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Determine the least squares equation. According to this information, what are the estimated sales for 2005? Listed below is the net sales in $ million for Home Depot, Inc. and its subsidiaries from 1993 to 2002.
1st a confidence interval is constructed without utilizing the finite population correction factor.
Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. Here are data on the "penetrability" of the same type of soil at 2 levels of compression.
question for each of the following state the null hypothesis and the alternative hypothesis.a the publisher of
What is the probability for the given frequency distribution?
Define validity and reliability. How can we insure our data is both reliable and valid? Which of these two do you think is the more important?
State the null and alternative hypothesis. population standard deviation is $2500 and level of test is 0.05 what is the critical value?
Evaluate this statement: "Without good measurement, statistical analysis is worthless." Do you believe it is an overgeneralization.
Simulate arrival of cars at service station for one hour using different stream of random numbers from those used in (a), and calculate average time between arrivals.
Order pizza with this new crust again. Calculate a 98% confidence interval for the proportion of customers who would order the new thin crust pizza again.
The manufacturer would like to establish inventory levels such that there is only a five percent chance of running out of stock. Where should the manufacturer set the inventory level?
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