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July 25, 2014

Posted by **Darcy** on Monday, September 12, 2011 at 8:23pm.

I have no idea where to even begin to try and answer this. I am so lost. Please help!! Thanks!

- statistics -
**MathGuru**, Tuesday, September 13, 2011 at 7:38pmAbout 95% of a normal distribution lies within 2 standard deviations of the mean.

N(373,67) means the distribution is a normal distribution with mean = 373 and the variance = 67 (standard deviation = square root of 67).

N(526,107) means the distribution is a normal distribution with mean = 526 and the variance = 107 (standard deviation = square root of 107).

Determine the limits by using the mean and standard deviation. Remember to determine 2 standard deviations below the mean and 2 standard deviations above the mean for your limits.

I'll let you take it from here.

- statistics -
**Pedro**, Sunday, February 17, 2013 at 10:03pmN(373,67) means the distribution is a normal distribution with mean = 373 and the variance = 67 (standard deviation = square root of 67).

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