A company maintains three offices in a certain region, each staffed by two employees. Information concerning yearly salaries (1000s of dollars) is as follows: Office 1 1 2 3 2 3 Employee 1 2 3 4 5 6 Salary 20.7 24.6 21.2 24.6 16.8 20.7 (a) Suppose two of these employees are randomly selected from among the six (without replacement). Determine the sampling distribution of the sample mean salary X. (Enter your answers for p(x) as fractions.) 18.75 20.70 20.95 22.65 24.60 2 15 15 (b) Suppose one of the three offices is randomly selected. Let X, and X2 denote the salaries of the two employees. Determine the sampling distribution of X. (Enter your answers as fractions.) 18.75 22.65 22.90 0.3333 |x 0.3333 0.3333

A company maintains three offices in a certain region, each staffed by two employees. Information concerning yearly salaries (1000s of dollars) is as follows: Office 1 1 2 3 2 3 Employee 1 2 3 4 5 6 Salary 20.7 24.6 21.2 24.6 16.8 20.7 (a) Suppose two of these employees are randomly selected from among the six (without replacement). Determine the sampling distribution of the sample mean salary X. (Enter your answers for p(x) as fractions.) 18.75 20.70 20.95 22.65 24.60 2 15 15 (b) Suppose one of the three offices is randomly selected. Let X, and X2 denote the salaries of the two employees. Determine the sampling distribution of X. (Enter your answers as fractions.) 18.75 22.65 22.90 0.3333 |x 0.3333 0.3333

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 2E

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