Which of these expressions is equivalent to
O
O
O
O
A. log (20) • log (3)
B. 20. log (3)
C. log (20) – log (3)
D. log (20) + log (3)
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Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Plz help plz give me the answer