The widths of two similar rectangles are 10 m and 15 m. What is the ratio of the perimeters? Of the areas?
1 answer:
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Answer:
The sample size must be approximately 1067 to get a margin of error of 0.03.
Step-by-step explanation:
We are given the following in the question:
Margin of error = 0.03
Significance level = 5%
Margin of error =
Since, no prior proportions are given, we take
Putting values, we get,
Thus, the sample size must be approximately 1067 to get a margin of error of 0.03.
Answer:
left limit = 2 ≠ 1/2 = right limit
Step-by-step explanation:
A function is discontinuous if the limit of the function value approaching the point from the left is different than the limit approaching from the right.
Here, the left limit is 2 and the right limit is 1/2. The limits are different, which is why the function is discontinuous at x=-1.
