8.7 Coin And Die Problem

8.7.1 Tossing A Coing Twice

		First Coin
		H	T
Second Coin	H	HH	HT
	T	TH	TT

Tossing a coin twice is equivalent to tossing two coins at once

What is the probability that

1. The Head appears at the first draw?
2. At least one Head appears?
3. Less than two Heads appear?
4. Only Tails appears?

8.7.2 Flipping A Coin Thrice

		First Two Flips
		HH	HT	TH	TT
Third Flip	H	HHH	HHT	HTH	HTT
	T	THH	THT	TTH	TTT

What is the probability that

1. All three are Heads?
2. There are more than one Head?
3. The second draw gives a Head?
4. The third draw does not give a head?
5. The first draw gives a Tail but the the Draw does not?
6. At most one Head appears?

8.7.3 Flinging Two Dice at Once

Tossing Two Dice at Once		First Die
		1	2	3	4	5	6
Second Die	1	1,1	1,2	1,3	1,4	1,5	1,6
	2	2,1	2,2	2,3	2,4	2,5	2,6
	3	3,1	3,2	3,3	3,4	3,5	3,6
	4	4,1	4,2	4,3	4,4	4,5	4,6
	5	5,1	5,2	5,3	5,4	5,5	5,6
	6	6,1	6,2	6,3	6,4	6,5	6,6

What is the probability that

1. The first numbers is odd?
2. The summation of numbers in two draws is a prime number?
3. Both numbers are same?
4. The second number is bigger?