Drinks

In a country, 65% of people drink coffee, 50% drink tea 25% drink both. What is the probability that a person chosen at random will drink neither tea nor coffee?

Correct answer:

p =  10 %

Step-by-step explanation:

pA=65 % pB=50 % pAB=25 %  p1=pApAB=6525=40 %  p2=pBpAB=5025=25 %  p3 = p(AB) = p1 + p2 + p(AB) p3=p1+p2+pAB=40+25+25=90 %  p=100p3=10090=10%



Did you find an error or inaccuracy? Feel free to write us. Thank you!



Showing 2 comments:
Shayan
it helps me lot!

2 years ago  3 Likes
Habana
do you give long problems

2 years ago  1 Like




Tips for related online calculators
Our percentage calculator will help you quickly calculate various typical tasks with percentages.
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: