Answer:
2 cups
Step-by-step explanation:
3 + 3 = 6 (one cup)
4 + 2 = 6 (two cups)
The 95% confidence interval for the slope will be B. (-0.308,-0.019).
<h3>How to calculate the interval?</h3>
The confidence interval based on the information and diagram will be:
= -0.1636 + 2.228 × 0.06488
= 0.019
Also, -0.1636 - 2.228 × 0.06488
= -0.308
In conclusion, the correct option is (-0.308,-0.019).
Learn more about confidence interval on:
brainly.com/question/15712887
#SPJ1