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Population of College CitiesCollege students often make up
Chapter 6, Problem 16E(choose chapter or problem)
Problem 16E
Population of College CitiesCollege students often make up a substantial portion of the population of college cities and towns. State College, Pennsylvania, ranks first with 71.1% of its population made up of college students. What is the probability that in a random sample of 150 people from State College, more than 50 are not college students?
Questions & Answers
QUESTION:
Problem 16E
Population of College CitiesCollege students often make up a substantial portion of the population of college cities and towns. State College, Pennsylvania, ranks first with 71.1% of its population made up of college students. What is the probability that in a random sample of 150 people from State College, more than 50 are not college students?
ANSWER:
Answer
Step 1 of 1
(a)
71.1% of cities and towns population made up of a college student.
We are asked to find the probability that in a random sample of 150 people from State College, more than 50 are not college students.
Let denote the number of students who are not from college.
We need to find
We can write,
Here we will use the normal approximation to the binomial approximation.