Probability 3080

There are eight styles of graduation topics in the Slovak language. The Minister of Education draws 4 of them. What is the probability that he will choose at least one of the pairs?

Correct answer:

p =  40 %

Step-by-step explanation:

C4(8)=(48)=4!(84)!8!=43218765=70  t=(48)=70 C2(8)=(28)=2!(82)!8!=2187=28  a=(28)=28 p=100 a/t=100 28/70=40%

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