Answer:
The probability that the victim not getting hepatitis virus is 0.4547
Explanation:
We have given that 7 of 48 units of blood is contaminated with virus causing hepatitis.
So probability of getting hepatitis virus is
So probability of not getting hepatitis virus = 1 - 0.1458 = 0.8542
It is given that severely injured accident victim given 5 units of plasma
So probability that the victim not getting hepatitis virus =
So the probability that the victim not getting hepatitis virus is 0.4547