Question

three fair coins are tossed simultaneously what is the probability of getting 1. at least 2 tails 2. one head 3. at most one head​

Answer 1

Answer:

total number of outcome is 4

Step-by-step explanation:

1/7

Answer 2

Answer:

1) 1/8

2)1/2

3)1/2

Step-by-step explanation:

sample space

HHH , HHT,HTH,THH,HTT,THT,TTH,TTT

P(E) = no. of favourable outcomes/ total no. of possible outcomes

1) p(3 heads) =1/8

2) p(at least 2 tails) =4/8=1/2

3)p(at least 2 heads) = 4/8=1/2

hope it helps you ....