(b) It is known that 10% of people aged 12−17 years old enjoy watching Doctor Who. In a secondary school survey on progr
Posted: Thu Jul 14, 2022 4:50 pm
(b) It is known that 10% of people aged 12−17 years old enjoy watching Doctor Who. In a secondary school survey on programme preferences, what is the probability that the 12th student asked will be the 2 nd to enjoy Doctor Who?