14. Two unbiased coins are tossed simultaneously. Find the probability of getting: (1) two tails (ii) one tail (int) atleast one tail (iv) atmost one tail
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Step-by-step explanation:
When two coins are tossed the results are (HH,HT,TH,TT)
Total no. of outcomes =4
1) Exactly one head = only two cases are (HT,TH)
= 2/4 =1/2
2) At least one tail = There are three cases (HT,TH,TT)
= 3/4
3) No. tail = only one case (HH) = 1/4
4) Atmost one head =three cases (HT,TH,TT)
=3/4
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