Answer:
I think it's part 1 pretty sure
Answer:
Step-by-step explanation:
(4x^2-2x+8)+(x^2+3x-2)
Collect like terms
5x^2+x+6
Answer:
Compute alpha (α): α = 1 - (confidence level / 100)
Find the critical probability (p*): p* = 1 - α/2
To express the critical value as a z-score, find the z-score having a cumulative probability equal to the critical probability (p*).
Step-by-step explanation: