Solution Found!
Solved: assume all variables are binomial. (Note: If
Chapter 5, Problem 10E(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.)
High School Dropouts Approximately 10.3% of American high school students drop out of school before graduation. Choose 10 students entering high school at random. Find the probability that
a. No more than two drop out
b. At least 6 graduate
c. All 10 stay in school and graduate
Source: www.infoplease.com
Questions & Answers
QUESTION:
Assume all variables are binomial. (Note: If values are not found in Table B of Appendix C, use the binomial formula.)
High School Dropouts Approximately 10.3% of American high school students drop out of school before graduation. Choose 10 students entering high school at random. Find the probability that
a. No more than two drop out
b. At least 6 graduate
c. All 10 stay in school and graduate
Source: www.infoplease.com
ANSWER:Step 1 of 4
From the given problem, we have
n = 10, p = 10.3%
= 0.103
We have to assume all variables are binomial.
Then, the pmf of the binomial distribution is