Please help me answer these
1 answer:
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Answer:
6p -8
Step-by-step explanation:
The three sides of an equilateral triangle are all the same length. (This is the literal meaning of "equilateral.") So, the length of one side is 1/3 the total length.
each side =
Answer:
The sample size required is 225.
Step-by-step explanation:
The confidence interval for population mean (<em>μ</em>) is:
The margin of error is:
Given:
The margin of error is, <em>MOE</em> = 0.04
The confidence level is 95.44%.
The critical value of <em>z</em> for 95.44% confidence interval is:
So, .
Determine the sample size as follows:
Thus, the sample size required is 225.