Posted by **Nick** on Sunday, October 27, 2013 at 9:07am.

We have calculated a 95% confidence interval for a proportion and would prefer the confidence interval to be more precise, that is narrower. Using the same sample, we can narrow the confidence interval using which of the following?

A) increasing the confidence level

B) decreasing the confidence level

C) It's impossible to narrow the interval without increasing the sample size.

D) unable to answer with the given information

Is B the correct answer?

- Statistics -
**PsyDAG**, Sunday, October 27, 2013 at 1:06pm
Yes.

## Answer this Question

## Related Questions

- Statistics - When consumers apply for credit, their credit is rated using the ...
- Statistics - Which of the following statements best describes the uncertainty ...
- Statistics - Hoping to lure more shoppers downtown, a city builds a new parking ...
- Statistics - In 1998 a San Diego Reproductive clinic reported 49 live births to ...
- Statistics - Which of the following statements correctly interprets a 95% ...
- Elementary Statistics - 1) Construct a confidence interval of the population ...
- statistics - 10. Using the results of a Newsweek poll conducted in March of ...
- statistics - Refer to Table 1 in the article “Snail Shells in a Practical ...
- Statistics - The standard deviation for a population is σ = 15.3. A sample ...
- Math-Stat Help - In a random sample of 78 teenagers, 32 admit to texting while ...

More Related Questions