Answer:
8
Step-by-step explanation:
c^2 is 9, 2d is 4
9-4+3=8
I hate school guys that's all I want to say
Answer: c) 0.75
Step-by-step explanation:
Given : The probability of choosing a black marble is P(Black)= 0.36.
The probability of choosing a black and then a white marble is P( Black and white) = 0.27.
Then by conditional probability ,
The probability of the second marble being white if the first marble chosen is black = 

Therefore , the probability of the second marble being white if the first marble chosen is black = 0.75