Question

Note: -
You are attempting question 1
From the known data, there is roughly an 85% chance that a person of age 20 years will be
alive at age 75 years. Suppose that 4 people of age 20 years are selected at random. What
is the probability that the number alive at age 75 years will be at least 3?
b)
0.1095
0.8905
0.3685
0.5520
Answer
OA
CB
oc
OD
Submit​

Answer 1

not able to understand what you are saying