Answer:
Lower limit = 1007.95 cm/s
Upper limit = 1142.05 cm/s
Step-by-step explanation:
We have to calculate a 95% CI with population's standard deviation known.
The sample is size n=60, with mean M=1075.
The confidence interval can be expressed as:

For a 95% CI, the value of z=1.96.

Answer:
B
Step-by-step explanation:
The parent function :> I'm not exactly 100% sure but I think this is what I remember it being!
Honestly I don't know that is a really hard question
Answer:
y=5x-12
Step-by-step explanation:
use equation y=mx+b
8=5(4)+b
8=20+b
-20 -20
-12=b
Final equation:
y=5x-12