Sales

From statistics of sales goods, item A buy 51% of people and item B buys 59% of people. What is the probability that from 10 people buy 2 item A and 8 item B?

Correct answer:

p =  17.2 %

Step-by-step explanation:

p1=0.51 p2=0.59 C2(10)=(210)=2!(102)!10!=21109=45  p=100 (210) p12 p28=100 45 0.512 0.598=17.2%



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



avatar







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

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

Related math problems and questions: