Mathematics

1 March, 22:22

I was struggling with this statistics problem:

Suppose a research team takes a simple random sample of 100 Parma wallabies. In this sample, the tails of the wallabies have a mean length of 46 centimeters and a standard deviation of 2.6 centimeters.

What percent of the time would you expect a simple random sample of 100 Parma wallabies to have a sample mean that is not in the 95% confidence interval?

5%

0%

2.5%

5%

+2

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