option B is the answer of this question
Answer:
46.15%
Step-by-step explanation:
60/130 = .4615
multiply by 100 to get it into percentage form
46.15%
Divide 3 1/2 by 2/3. 3 1/2 = 7/2 as an improper fraction, so we have 7/2 ÷ 2/3 = 7/2 * 3/2 = 21/4 = 5 1/4 L
The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.
