The odds of Macy passing her driver's test on the first try are 17:27 Determine the probability that she will pass her drivers test

A. 1.588 B) 0.614 C) 0.630 D) 0.386

Is it C? (0.17 x 0.27)

2 answers

How do you get 0.630 by multiplying 0.17 * 0.27? I get 0.046 as the product.
17/(17+27) = 17/44 = 0.386

Odds of 3:4 mean there are 3 chances in favor, and 4 against, for a total of 7.

The probability is 3/7, because it will happen only 3/7 of the time. (yes=3, no=4)