in Education by
Three unbiased coins are tossed simultaneously. Find the probability of getting (i) exactly two heads, (ii) at least two heads, (iii) at most 2 heads. Select the correct answer from above options

1 Answer

0 votes
by
 
Best answer
Correct Answer - C When 3 coins are tossed , all possible outcomes are HHH,HHT,HTH,THH,HTT,THT,TTH,TTT. Their number is 8. Favourable outcomes are HHT,THT,THH. Their number is 3. `:. ` P(getting exactly 2 heads) = `3/8`.

Related questions

0 votes
0 votes
0 votes
0 votes
0 votes
    Two coins are tossed once. Find the probability of (i) getting 2 heads (ii) getting at least 1 head (iii) ... 1 head and 1 tail Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
0 votes
0 votes
    Three coins are tossed simultaneously. Find the probability that all coins show heads if at least one of the coins shows a head. Select the correct answer from above options...
asked Nov 17, 2021 in Education by JackTerrance
0 votes
    Three coins are tossed together. Find the probability of getting: (i) exactly two heads (ii) at most two heads ( ... tail (iv) no tails Select the correct answer from above options...
asked Nov 25, 2021 in Education by JackTerrance
0 votes
0 votes
    A coin is tossed 3 times. List the possible outcomes. Find the probability of getting (i) all heads (ii) at least 2 heads Select the correct answer from above options...
asked Nov 21, 2021 in Education by JackTerrance
0 votes
    Three unbiased coins are tossed once. Find the probability of getting (i) exactly 2 tails (ii) exactly one tail ( ... at least 2 heads Select the correct answer from above options...
asked Nov 22, 2021 in Education by JackTerrance
0 votes
0 votes
0 votes
    Two dice are thrown simultaneously. Find the probability of getting (i) a doublet (ii) an even number as the sum ... on the other die Select the correct answer from above options...
asked Nov 15, 2021 in Education by JackTerrance
...