Answer: Approximately normal, because we expect 19.2 successes and 20.8 failures from people in their twenties, and 16.8 and 43.2 from people in their fifties, and all of these counts are at least 10.
Step-by-step explanation:
I think the answer is -100
Answer:
19
Use the given functions to set up and simplify
If x= -1
so.
2(-1)^2-5 / (-1 +9)
=-3/8
=-0.375