No: of blue pens =4 No: of red pens= 3 black pens=twice as many blue pens =2(4)=8 total no: of pens= 4+3+8 =14 therefore the fraction required will be =4/15
It is a negative due to the scatter plot line decreasing as the precipitation increases, which cancels out C & D. Then, it is decreasing rapidly, which portrays it as closer to -1 than 0, meaning the answer is A.
