Question

pls solve me the answer

Answer 1

1/5 or 2/25 in both cases

Answer 2

S={HH,HT,TH,TT} n (s)=4

one tail A={HT,TH,TT} n (A)=3

At least one head B={HH,HT,TH} n (b)=3

please mark as brainliest