Fortune magazine publishes an annual list of the 500 largest companies in the United States. The corporate headquarters for the 500 companies are located in 38 different states. The following table shows the 8 states with the largest number of Fortune 500 companies (Money/CNN website, May, 2012). State California Illinois New Jersey New York Number of Companies 53 32 21 50 State Ohio Pennsylvania Texas Virginia Number of Companies 28 23 52 24 Suppose one of the 500 companies is selected at random for a follow-up questionnaire. What is the probability that the company selected has its corporate headquarters in California? What is the probability that the company selected has its corporate headquarters in California, New York, or Texas? What is the probability that the company selected has its corporate headquarters in one of the 8 states listed above?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.