A Recently Isolated Microbe Was Determined to Be a Gram

A recently isolated microbe was determined to be a Gram + rod by dichotomous key testing and probabilistic testing was ordered for this bacteria. What is the probability score that this bacteria is a Bacillus species based on the results given in Tables 1 and 2 below?

A) 1.0 × 10^-1
B) 5.7 × 10^-1
C) 2.2 × 10^-2
D) 1.3 × 10^-6
E) 6.3 × 10^-6