Posted by **harish** on Wednesday, February 13, 2013 at 7:13am.

x ~ N(400,64)

1) Find the limits within which the central 95% of the distribution lies.

2) find the interquartile range of the distribution.

- maths -
**ted**, Monday, September 12, 2016 at 8:41am
387<x<407.8

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