Question

when threecoins are tossed simultaneously,what is the probability of getting atmost two heads???​

Answer 1

Step-by-step explanation:

When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT, TTH, THH, HTH, HHT. (i) Let E1 denotes the event of getting all tails. Hence the required probability is ⅛. (ii) Let E2 denotes the event of getting two heads.

Answer 2

Answer:

When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT, TTH, THH, HTH, HHT. (i) Let E1 denotes the event of getting all tails. Hence the required probability is ⅛. (ii) Let E2 denotes the event of getting two heads.