Question

2. two coins are tossed
simultaneously. The probability of
getting no tail
O 3/4
O 1/8
O 1/4
O 2/4​

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

.