Question

2 coin are tossed simultaneous.find the probability of getting at least one​

Answer 1

Answer:

When two coins are tossed the results are (HH,HT,TH,TT)

Total no. of outcomes =4

1) Exactly one head = only two cases are (HT,TH)

=

4

2

=

2

1

2) At least one tail = There are three cases (HT,TH,TT)

=

4

3

3) No. tail = only one case (HH) =

4

1

4) Atmost one head =three cases (HT,TH,TT)

=

4

3

.

Answer 2

Answer:

When tossing two coins simultaneously then the possible of outcomes are: (HH) or (HT) or (TH) or (TT) respectively; where H is denoted for head and T is denoted for tail. Therefore, total numbers of outcome are 22 = 4. Probability of getting at least 1 head.