please solve complete in 30 minute

8 10 points What is the probability of infection resulting from consumption of 2 L of water contaminated with 500 Giardia cysts/100 L, if the dose response parameter is 0.02/cyst? A. 0.02 or 2% B. 0.033 or 3.3% C.0.18 or 18 % D. 0.33 or 33% 3 9 10 points What is the average flow velocity of a water traveling through an aquifer with a hydraulic gradient of 0.001 and a hydraulic conductivity of 10 cm/s? A. 1 m/s B.0.1 m/s C.0.01 m/s D. 0.001 m/s E. 0.0001 m/s