Question

three coins are tossed together find the probability of getting
1 . exactly two heads
2. at most 2 heads
3. no heads​

Answer 1

Step-by-step explanation:

1 exactly 2 head - 3/8

2 at most 2 heads-6/8

3no head-1/8

Answer 2

Step-by-step explanation:

1 . {HHT, THH, HTH}

2 {TTH, HTT, THT}

3 {TTT}