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If a coin is tossed thrice, find the probability of getting one or two heads.
- a)4/5
- b)5/8
- c)3/4
- d)6/4
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
If a coin is tossed thrice, find the probability of getting one or two...
Concept:
P(A) = n(A)/n(S)
Where n(A) = No. of favourable cases for event A and n(S) = cardinality of sample space.
Solution:
If a coin is tossed thrice, possible outcomes are:
S = {HHH, HHT, HTH, THH, THT, TTH, HTT, TTT}
Probability of getting one or two heads:
A = {HHT, HTH, THH, THT, TTH, HTT}
P(A) = 6/8
= 3/4
Most Upvoted Answer
If a coin is tossed thrice, find the probability of getting one or two...
Concept:
P(A) = n(A)/n(S)
Where n(A) = No. of favourable cases for event A and n(S) = cardinality of sample space.
Solution:
If a coin is tossed thrice, possible outcomes are:
S = {HHH, HHT, HTH, THH, THT, TTH, HTT, TTT}
Probability of getting one or two heads:
A = {HHT, HTH, THH, THT, TTH, HTT}
P(A) = 6/8
= 3/4
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If a coin is tossed thrice, find the probability of getting one or two heads.a)4/5b)5/8c)3/4d)6/4Correct answer is option 'C'. Can you explain this answer?
Question Description
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