Question

De in 1 Rours, 18 minutes. Due Sun 06/23/2019 11:59 pm When doing blood testing for a viral infection, the procedure can be made more efficient and less expensive by combining partial samples of different blood specimens. If samples from four people are combined and the mixture tests negative, combined into one mixture, assuming the probability of an individual blood sample testing positive for the virus is 0.04. know that all four individual samples are negative. Find the probability of a positive result for four samples we Round the answer to four decimal place accuracy

Answer 1

Sotution Giuen D pasitive or he probabitityf an individuo blood Sample testing P 0.04 Let Posithve eSut X tfolloos e binomial di8tritun- consider Yavia ble be te ardom X positive for fou Saple cobined in 0ne oxtue) deSult 4-1 (0-04) 0-04) -P) 4X0 04 X (O .96) 884136 XO 04 X 0 415576 0 1416