Kaplan Page 136 #19
If 3 coins are tossed simultaneously, what is the probability of getting exactly 2 tails?
The answer is 3/8. Instead of listing all the cases, is there a faster way to solve this problem?
Thanks in advance
Kaplan Page 136 #19
If 3 coins are tossed simultaneously, what is the probability of getting exactly 2 tails?
The answer is 3/8. Instead of listing all the cases, is there a faster way to solve this problem?
Thanks in advance