1) If there are 150 values in a data set, how many classes should be created for a frequency histogram? A. 5 B. 6 C. 7 D. 8 E. 9 2) . If x is a binomial random variable where n = 100 and p = 0.2, find the probability tha ...
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Consider the distribution of 17 numbers: 6,9,11,19,23,27,29,36,41,43,47,50,51,55,58,63,67 A distribution of medical data is Normal with Mean of 40 and Standard Deviation of 10; that is N(40,10) a. Betty's score is 5.17. ...
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An FBI survey shows that about 70% of all property crimes go unsolved. Suppose that in your town 10 such crimes are committed and they are each deemed independent of each other. What is the expected number of crimes that ...
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What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...
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Describe the scales of measurement of data that should be summarized by a measure of location such as a sample mean and a sample median? When is the sample median a better measure of location than the sample mean? Why do ...
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Wanda is going to Silver Dipper Ice Cream Shop to get a treat. She has 12 flavors of ice cream to choose from. There are 6 different types of toppings, and she may get her ice cream in a bowl, a regular cone, or a waffle ...
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The pH (acidity) of the liquor is critical for regulating dye uptake and hence the final color. There are 5 kettles, all of which receive dye liquor from a common source. Past data show that pH varies according to a Norm ...
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A bottle of water is supposed to have 12 ounces. The bottling company has determined that 98% of bottles have the correct amount. Which of the following describes a binomial experiment that would determine the probabilit ...
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The board of a major credit card company requires that the mean wait time for customers when they call customer service is at most 3.00 minutes. To make sure that the mean wait is not exceeding the requirement, an assist ...
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In the following five scenarios, H0, α, the obtained probability (p-value), and the true status of H0 are given. Assume that our test statistic follows a standard normal distribution. Do the following: (a) State whether ...
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