A square field measuring 100.0 m long has an area of 1.00 hectare. one acre has an area of 43,600 ft2. if a lot has an area of 1
1 answer:
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Answer:
or -0.625
Step-by-step explanation:
The slope formula is as shown:
We can have A = (,
) and B = (
,
).
We can hence plug in the values into the formula to get .
As we simplify, the negatives on the top row cancel out to give us an addition sign instead and we add them.
Brainliest would be appreciated!
Answer:
A 90% confidence interval for <em>p</em> will be <u>narrower </u>than the 99% confidence interval.
Step-by-step explanation:
The formula to compute the (1 - <em>α</em>) % confidence interval for a population proportion is:
Here is the sample proportion.
The margin of error of the confidence interval is:
The MOE is dependent on:
- Confidence level
- Standard deviation
- Sample size
The MOE is directly related to the confidence level and standard deviation.
So if any of the two increases then the MOE also increases, thus widening the confidence interval.
And the MOE is inversely related to the sample size.
So if the sample increases the MOE decreases and vice versa.
It is provided that the sample size and the sample proportion are not altered.
The critical value of <em>z</em> for 90% confidence level is:
And the critical value of <em>z</em> for 99% confidence level is:
So as the confidence level increases the critical value increases.
Thus, a 90% confidence interval for <em>p</em> will be narrower than the 99% confidence interval.