For #2 you would count how many where the red dashed line is! Which is 3! Then you would count where the blue dashed line is! Which is 4! So then it would be 4/3(4 over 3) For the slope! Hope this helps! :)
It should be A if i am correct
Answer:
The answer is "2.5".
Step-by-step explanation:

The pieces which does not achieve that specific weight either are below and above the average standard deviation of 2.5. The percentage of components not fulfilling their weight data is 1.1% using a Table of Z-scores.
Answer:
plot the points & find where they insect then calculate the mid-point
There are also 6 possibilities because the die has six sides with 1 different number on each.