Question

1. If you flip a fair coin 10 times, what is the probability of

a) getting all tails Is it 1/1024? b) getting all heads Is it 1/1024? c) getting at least one tails? Is it 1023/1024? 2. If you roll a pair of fair dice, what is the probability of
a) getting a sum of 1 Is it 0? b) getting a sum of 5 Is it 1/9? c)getting a sun of 12 Is it 1/36?

Answer 1

1. Getting either all heads or all tails is a 1/1024 chance
2. Rolling a pair of dice and getting a sum of one has a chance of 0
3. Rolling a sum of 5 has a 2 in 21 chance
4. Rolling a sum of 12 has a 1 in 21 chance