Răspunsuri

2014-09-01T16:34:15+03:00
6+7+8+9=30

30.................... 100%
6......................  x %
____________________
x=6x100/30
x=20%
2014-09-01T20:10:09+03:00
Probabilitatea=nr cazurilor favorabile/nr cazurilor posibile

p=6/30=1/5 =0,2%