If the  probability that  a man  aged 60  will live  to be 70 is  0.65   what is the   probability
Channel: Doubtnut
Date: 12/04/2020

If the  probability that  a man  aged 60  will live  to be 70 is  0.65   what is the   probability  that out  of 10 men  now 60  at least  8 will  live to  be 70 ?