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Statistics / Elementary Statistics: A Step by Step Approach 8th ed. 8 / Chapter 6-2 / Problem 8

Elementary Statistics: A Step by Step Approach 8th ed. | 8th Edition | ISBN: 9780073386102 | Authors: Allan G Bluman Professor Emeritus

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QUESTION:

Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are normally distributed with a standard deviation of $1500, find these probabilities. a. The student makes more than $15,000. 0.0749 b. The student makes between $13,000 and $14,000. 0.2385 Source: U.S. Education Dept., Chronicle of Higher Education.

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QUESTION:

Doctoral Student Salaries Full-time Ph.D. students receive an average of $12,837 per year. If the average salaries are normally distributed with a standard deviation of $1500, find these probabilities. a. The student makes more than $15,000. 0.0749 b. The student makes between $13,000 and $14,000. 0.2385 Source: U.S. Education Dept., Chronicle of Higher Education.

ANSWER:

Step 1 of 3

Given:

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