to the nearest tenth, what is the volume in cubic inches of the triangular prism below? 6 in (height) 3 in (width) 1.5 in (base)
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Answer:
95% confidence interval for the true fraction p is (0.426, 0.488)
Step-by-step explanation:
Confidence Interval can be calculated using p±ME where
- p is the sample proportion (
- ME is the margin of error from the mean
and margin of error (ME) around the mean can be found using the formula
ME= where
- z is the corresponding statistic in 95% confidence level (1.96)
- p is the sample proportion (0.457)
- N is the sample size (1000)
then ME= ≈ 0.031
Then 95% confidence interval would be 0.457±0.031 or (0.426, 0.488)