A coin is tossed thrice. What is the probability that the first toss of coin lands head, second tail and third lands tail as well?
Answers
Answered by
8
let H be head and T be tail
(H,H,H) H,H,T H,T,T T,H,T T,T,T T,T,H T,T,H H,T,H
HENCE PROBABILITY Is 1/9
(H,H,H) H,H,T H,T,T T,H,T T,T,T T,T,H T,T,H H,T,H
HENCE PROBABILITY Is 1/9
Answered by
7
Answer:
1/8
Step-by-step explanation:
coin is tossed 1st time (occuring head) :
p(1st time)=1/2
coin is tossed 2nd time (occuring Tail) :
p(1nd time)=1/2
coin is tossed 3rd time (occuring Tail) :
p(3rd time)=1/2
Total Probability=1/2*1/2*1/2=1/8
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