SOLUTION: Find the probability for the experiment of tossing a coin three times. Use the sample space S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}. The probability of getting at least o

Algebra ->  Probability-and-statistics -> SOLUTION: Find the probability for the experiment of tossing a coin three times. Use the sample space S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}. The probability of getting at least o      Log On


   



Question 1180289: Find the probability for the experiment of tossing a coin three times. Use the sample space
S = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}.
The probability of getting at least one head

Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

In the given sample space, count the number of 3-letter words, containing at least one letter H.


This number is 7, so your answer is  7%2F8.



By the way, this event (getting at least one head) is the complement to the event "no head",


so you can get the same answer by another way . . . 


Solved, answered and explained.