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Two fair coins are tossed simultaneously. Find the probability of Getting atleast one head
- a)1/4
- b)3/4
- c)1/2
- d)3/8
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Two fair coins are tossed simultaneously. Find the probability ofGetti...
When two coins are tossed the results can be like this (let us give numbers for them)
1) Both are heads i.e. HH
2) First head, then tail i.e. HT
3) First tail, then head i.e. TH
4) Both are tails i.e. TT
The total number of outcome is 4.
Find the probability of getting
1) exactly one head: - Only cases 2 and 3 from the above chances qualify for this criteria. So probablity is 2/4 = 1/2
2) At least one tail: - Only cases 2, 3 and 4 from the above chances qualify for this criteria. So probablity is 3/4
3) No tail: - Only case 1 from the above chances qualify for this criteria. So probablity is 1/4
4) At most one head: - This means either no head or only one head. So cases 2,3 and 4 from the above chances qualify for this criteria. So probablity is 3/4
Most Upvoted Answer
Two fair coins are tossed simultaneously. Find the probability ofGetti...
Total outcomes.. =4 ..( HH.. TT... HT...TH...)
favourable outcome of getting alteast one head...=3
P(getting alteast one head)=. no.of favourable outcomes/ total no.of outcomes.
P(getting atleast one head)= 3/4..
so... option (b)..is correct..
favourable outcome of getting alteast one head...=3
P(getting alteast one head)=. no.of favourable outcomes/ total no.of outcomes.
P(getting atleast one head)= 3/4..
so... option (b)..is correct..
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Two fair coins are tossed simultaneously. Find the probability ofGetting atleast one heada)1/4b)3/4c)1/2d)3/8Correct answer is option 'B'. Can you explain this answer?
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