Let p represent the proportion of all male students who would receive a grade of B on this test. Use a 80% confidence interval to estimate p to three decimal places.
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A: Out of 600 people sampled, 282 had kids. Based on this, construct a 95% confidence interval for the…
Q: construct a 99% confidence interval for the true population proportion of people with kids.
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| A | B | C | Total | |
| Male | 9 | 11 | 5 | 25 |
| Female | 4 | 6 | 8 | 18 |
| Total | 13 | 17 | 13 | 43 |
Interval proportion for population proportion
Normal distribution as an approximation of the sampling distribution of sample proportion .
80% confidence interval for a normal distribution is given in the following table:
| Confidence Interval | Z |
|---|---|
| 80% | 1.282 |
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