Answer:
14.9cm
Step-by-step explanation:
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Linda is hosting a candle sale. She has 48 blue candles to put in bags. How many bags can she fill if she puts the same number o
1 answer:
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|AD| = 30 - 6 = 24
The triangle ABC and the triangle BDA are similar, therefore:
The triangle ABC and the triangle BDA are similar, therefore:
Answer:
The minimum sample needed to provide a margin of error of 3 or less is 52.
Step-by-step explanation:
The confidence interval for population mean (<em>μ</em>) is:
The margin of error is:
<u>Given:</u>
MOE = 3
<em>σ </em>= 11
The critical value for 95% confidence interval is:
**Use the <em>z</em>-table for critical values.
Compute the sample size (<em>n</em>) as follows:
Thus, the minimum sample needed to provide a margin of error of 3 or less is 52.
