A coin is tossed three times. Find the probability of getting at most

1.	A coin is tossed three times. Find the probability of getting at most two head
Answer» 4/8 =1/2 1/2 7/8 When 3 unbaised coins are tossed, the total number of events = 8They are {HHH, HHT, HTH, THH, TTH, THT, HTT, TTT}At most two headsThat is no head or one head or 2 headsProbability of getting at most two heads = 7/8

Discussion