1 mL of a bacteriophage suspension is mixed with 20 mL of a bacterial culture and 50% of the phages adsorb. We know that the bacteriophage suspension had a concentration of 1x1010 viruses per mL, and the bacterial culture had a concentration of 3x108 bacteria per mL. A. What fraction of the cells is uninfected? B, What fraction of the cells is single infected?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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1 mL of a bacteriophage suspension is mixed with 20 mL of a bacterial culture and 50% of the phages adsorb. We know that the bacteriophage suspension had a concentration of 1x1010 viruses per mL, and the bacterial
culture had a concentration of 3x108 bacteria per mL.

A. What fraction of the cells is uninfected?

B, What fraction of the cells is single infected?

C. What fraction of the cells is multiple infected?

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