A probability experiment has four possible outcomes: e _1, e_2, e_3, e_4. The out come e_1 is four times as likely as each of the three remaining outcomes. Find the probability of e_1.

what I got 4/7.

Question

A probability experiment has four possible outcomes: e _1, e_2, e_3, e_4. The out come e_1 is four times as likely as each of the three remaining outcomes. Find the probability of e_1.

what I got  4/7.

nurali · Answer

4p + p + p + p = 1  
7p = 1  
p = 1/7.  

P(e1) = 4p = 4(1/7) = 4/7

anonymous · Answer

Yes i got it correct thanks for the explanation.