11. A coin is tossed twice. What is the probability of getting, (i) no head (ii) at most $1$ tail - Noon Academy

11. A coin is tossed twice. What is the probability of getting, (i) no head (ii) at most $1$ tail

Class 10 | Frank | ICSE | Maths | Probability

11. A coin is tossed twice. What is the probability of getting, (i) no head (ii) at most $1$ tail

As per the question it is given that, a coin is tossed twice.

As we all know that, coin has two faces one is head and other one is tail.

The possibilities of getting head and tail when a coin is tossed twice = {HH, TT, HT, TH}

Total number of outcomes $=4$

(i)

The probability that getting no head,

Number of favorable outcomes $=1$

P(getting no head) = Number of favorable outcomes/total number of Outcomes

$=1/4$

(ii)

The probability that getting at most $1$ tail,

Number of favorable outcomes $=3$

P(getting at most $1$ tail) = Number of favorable outcomes/total number of Outcomes

$=3/4$

i

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