Q.12 The record of a heart specialist shows that 75 % of the patients he operates survive. If on a particular day he operates 6 patients, find the probability that: (i) fewer than 4 patients will...

Q12

Extracted text: Q.12 The record of a heart specialist shows that 75 % of the patients he operates survive. If on a particular day he operates 6 patients, find the probability that: (i) fewer than 4 patients will survive (iii) at least 5 patients will survive. Ans. (i) 0.1694 Q.13 In a certain district, the need for money to buy drugs is given as the reason for (ii) exactly 4 patients will survive (ii) 0.2966 (iii) 0.5339