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Unformatted text preview: Homework 5 Chapter 8 Problem 3 Which of the following samples is likely to be the most representative of the population of all employees at IBM? a. The 10 oldest and most experienced researchers at the Thomas J. Watson Research Center. b. A random sample of 10 computer repair spets. c. The 10 employees selected as most typical by middle management. d. A random sample of 10 chosen from a list of all employees at IBM. Problem 10 Draw a random sample of 5 contracts from a population of 362 recent contracts with cost overruns, starting with row 13, column 5 of the table of random digits. The sample consists of contracts numbered 309, 227, 234, 91, and 313. Problem 25 Your restaurant will serve 50 dinner groups tonight. Assume that the mean check size of dinner groups in general is $60, the standard deviation is $40, and the distribution is slightly skewed with a longer tail towards high values....
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