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Fifty percent of midsize manufacturers planned to have management representative visit Canada and Mexico
to take advantage of opportunities created by the North American Free Trade Agreements.
An export-import group in Toronto , Canada , has invited 20 US midsize manufacturers to participate
in the conference to explore trade opportunities.
What is the probability that 12 or more of these manufacturers will send representatives?
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It is a binomial distribution probability problem.
The number of trials is n=20; the individual probability of success is 0.5;
the number of success is k>=12.
Use thhis online free of charge calculator
https://stattrek.com/online-calculator/binomial.aspx
The ANSWER is P(n=20; k>=12; p=0.5) = 0.2517 (rounded).
Solved.
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If you want to see many similar (or different) solved problems, look into the lessons
- Simple and simplest probability problems on Binomial distribution
- Typical binomial distribution probability problems
in this site.
After reading these lessons, you will be able to solve such problems on your own.