Abag contains three white marbles, two black marbles, and five red marbles. find the probability of picking a black marble

 0.2

Step-by-step explanation:

Given : The number of black marbles in the bag = 2

The total number of marbles in the bag =

Then , if one marble is drawn from  the bag ,the probability of picking a black marble will be :-

Therefore, the the probability of picking a black marble =0.2

me! what did you put for this question?

step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)