Question

The probability that a lab specimen contains high levels of contamination is 0.15. A group of 4 independent samples are checked.

Round your answers to four decimal places (e.g. 98.7654).

(a) What is the probability that none contain high levels of contamination?

(b) What is the probability that exactly one contains high levels of contamination?

(c) What is the probability that at least one contains high levels of contamination?

(a)

(b)

(c)

Answer 1

っ Given that, Led inomc

2 that ome contain .ht4h 19 lt, vel s 。 c contamination is ヱ(X-=0) /ce.to .( 5 ) ο ( l-o.15) 4-o The p2obability that-erate one nhahilIty That erat ona m tains hiqh levels of cmtanina ie 5

damind