Solution Found!
Doctoral Student SalariesFull-time Ph.D. students receive
Chapter 6, Problem 8E(choose chapter or problem)
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.
b. The student makes between $13,000$ and $14,000
Source: U.S. Education Dept., Chronicle of Higher Education.
Questions & Answers
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.
b. The student makes between $13,000$ and $14,000
Source: U.S. Education Dept., Chronicle of Higher Education.
ANSWER:
Step 1 of 3
From the given problem we have:
Here our goal is:
a). We need to find the probability of the student makes more than $15,000.
b). We need to find the probability of the student makes between $13,000 and $14.000.