3.6
Chat with our AI personalities
54.4286
Probability of drawing a black 7 from a standard 52-card deck is 2/52 or 1/26.
15
The odds against drawing a black 7 is 25 in 26.
The mean is the sum of the values divided by the number of values. In this case (12+10+19+8+2+15+1+20+6+11+3+7)/12 = 9.5.