Question

47. If an unbiased coin is tossed twice, the probability of obtaining at least one tail is
(a) 0.25
(b) 0.50
(c) 0.75
(d) 1.00​

Answer 1

Answer:

0.75 is the correct answer

Answer 2

S= {HH,HT,TH,TT}

P(at least one tail)= 3/4=0.75