Answer:
A 95% confidence interval is a range of values that you can be 95% certain contains the true mean of the population. ... The 95% confidence interval defines a range of values that you can be 95% certain contains the population mean.
Step-by-step explanation:
hope that helps
B. 95% of the time, population data will fall between 149.61 and 150.39.
i got it right on edge
1.09
16a^2 - 25b^2 is the answer
AB+BC+AC=180°
8 - 7 + 2x +3x -8= 180°
-7+5x=180°
x=180°+7/5
x=37.4°
again
BC=-7+2*37.4
=67.8°
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