Solution Found!
assume all variables are binomial. (Note: If
Chapter 5, Problem 15E(choose chapter or problem)
Assume all variables are binomial. (Note: If values are not found in Table B of Appendix C, use the binomial formula.)
People Who Have Some College Education Fifty- three percent of all persons in the U.S. population have at least some college education. Choose 10 persons at random. Find the probability that
a. Exactly one-half have some college education
b. At least 5 do not have any college education
c. Fewer than 5 have some college education
Source: New York Times Almanac.
Questions & Answers
QUESTION:
Assume all variables are binomial. (Note: If values are not found in Table B of Appendix C, use the binomial formula.)
People Who Have Some College Education Fifty- three percent of all persons in the U.S. population have at least some college education. Choose 10 persons at random. Find the probability that
a. Exactly one-half have some college education
b. At least 5 do not have any college education
c. Fewer than 5 have some college education
Source: New York Times Almanac.
ANSWER:Step 1 of 4
(a)
Choose 10 persons at random.
We are asked to find the probability that exactly one-half have some college education.
Let denote the number of the persons.
We need to find
Using the binomial distribution, we can find the probability.