Mathematics, 27.02.2020 22:58 nerual0503

You collect a random sample of size n from a population and calculate a 95% confidence interval. Which of the following strategies produces a new
confidence interval with an increased margin of error?
- Use a 98% confidence level.
- Use a 90% confidence level.
- Increase the sample size.
- Use the same confidence level, but compute the interval n times. Approximately 5% of these intervals will be larger.
- Nothing can guarantee that you will obtain a larger margin of error. You can only say that the chance of obtaining a larger interval is 0.05.

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