In a single throw of two coins find the probability of getting each of the following 1.tails on both 2. tails at least on one 3.tails on one .4. No tails .
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In a single throw of two coins find the probability of getting each of the following 1.tails on both 2. tails at least on one 3.tails on one .4. No tails .
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Answer:
(i) A Coin has two sides a head(H) and a tail(T), and there are two such coins.
There are X^m possible outcomes.
That is 2^2 = 4 and They are HH, HT, TH, TT
All Possible outcomes are HH, HT, TH, TT.
total number of outcomes = 4
chances of getting 2 tails = 1, that is TT
probability P() =
probability of getting a Tail P(Both T) =
(ii) A coin has two sides a Head(H) and a Tail(T), and there are two such coins.
There are X^m Possible Outcomes.
That is 2^2 = 4 and they are HH, HT, TH, TT
All Possible Outcomes are HH, HT, TH, TT.
Total number of outcomes = 4
Chances of getting atleast one tail = 3, that is HT, TH, TT.
probability P() =
probability of getting a tail p(atleast 1 t) =
(iii) A Coin Has two Sides a head(H) And a tail(T), and there are Two such coins.
There are X^m Possible outcomes.
That is 2^2 = 4 and they are HH, HT, TH, TT
All possible outcomes are HH, HT, TH, TT.
Total Number of outcomes = 4
Chances of getting atmost 1 tail = 3, that is HT, TH, TT.
Probability P() =
Probability of getting a tail P(atmost 1 T) =