Question

What is the probability of getting?

1.At least one tail when two coins are tossed?

2.At most one tail when two coins are tossed?

3.At least two heads when two coins are tossed?

4.At most two heads when two coins are tossed?​

Answer 1

Explanation:

1) one or two tailes: 0.5+0.25=0.75;

2) no tails or one tail: 0.5;

3) one of two heads: 0.5+0.25=0.75;

4) no heads or one head: 0.5.