Of the 40 specimens of bacteria in a dish, 3 specimens have a certain trait. If 5 specimens are to be selected from the dish at random and without replacement, which of the following represents the probability that only 1 of the 5 specimens selected will have the trait?

A) \(\frac{\frac{5}{1}}{\frac{40}{3}}=\)

B) \(\frac{\frac{5}{1}}{\frac{40}{5}}=\)

C) \(\frac{\frac{40}{3}}{\frac{40}{5}}=\)

D) \(\frac{\frac{3}{1} * \frac{37}{4}}{\frac{40}{3}}=\)

E)\(\frac{\frac{3}{1} * \frac{37}{4}}{\frac{40}{5}}=\)

Practice Questions

Question: 17

Page: 180

_________________

Get the 2 FREE GREPrepclub Tests