Q3 of 53 Page 15

Find the probability of getting a head when a coin is tossed once. Also, find the probability of getting a tail.

when an unbiased coin is tossed the probability of getting g a head or tail are equally likely since an unbiased coin has only HEAD or TAIL as favourable outcomes.

total number of outcomes =2


P(H) =


So, P(T) =


More from this chapter

All 53 →
2

Which of the following amongst the given options cannot be the probability of an event:

(i) 1.01 (ii) 67%


(iii) -0.5 (iv)


(v) 0.3

 2

Which of the following cannot be the probability of an event?

(i) (ii) -1.5


(iii) 15% (iv) 0.7

 4

Why is tossing a coin considered to be a fair way of deciding which team should get the ball at the beginning of a football game?

 5

In a simultaneous throw of two coins, find the probability of getting

(i) two heads


(ii) exactly one head


(iii) no tail


(iv) at least one tail