Four people each roll a die once. Find the probability that at least two people will roll the same number? Choose the correct choice from the following:  A) 3/18  B) 13/18  C) 14/18  D) 15/18  E) 16/18
atleast 2 means   1-p(no one has same number)   p(no person has same number)=6*5*4*3/6^4=10/36   reqd probability=1-10/36   =26/36=13/18   ANSWER:13/18
<result>B</result>
Four people each roll a die once. Find the probability that at least two people will roll the same number?