Answer:

Step-by-step explanation:
you can divide both sides by 2.35 to get the right side to be 1:

Answer:
i think the answer is 58
but i'm not sure....
check it again with someone else ...
Step-by-step explanation:
90+32=122
180-122=58
i think it’s perpendicular
Answer:
95% Confidence interval: (96.06,103.94)
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 85
Sample mean,
= 100
Sample size, n = 30
Alpha, α = 0.05
Population standard deviation, σ = 11
95% Confidence interval:
Putting the values, we get,
(96.06,103.94) is the 95% confidence interval for the population mean test score.