when 2 coins are tossed at a time what is the probability of getting exactly 3 tails
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when 2 coins are tossed at a time what is the probability of getting exactly 3 tails
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Answer:
Find the total possible events of sample space S
S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}
S = 8
step 2 Find the expected or successful events A
A = {HTT, THT, TTH, TTT}
A = 4
step 3 Find the probability
P(A) =Successful EventsTotal Events of Sample Space
=48
= 0.5
P(A) = 0.5
0.5 is the probability of getting 2 Tails in 3 tosses.
Step-by-step explanation:
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Answer:
when we toss 2 coins at a time
s=(TT,TH,HT,HH)
Probability of Tail 3/4