Answer:
Step-by-step explanation:
Just Trying to get points
Exclusive events, for OR we can add probabilities.
P(O or B) = 0.49 + 0.20 = 0.69
Answer 0.69
Here is a picture hope it helps
"Per" means "divided by", so "dollars per square mile" means
... dollars ÷ square miles
... 5e6 ÷ 6.6e4
Only the last choice, D), has these keystrokes.
The only one that wouldn’t change the y-value is a reflection across the y-axis.