Posted by **Plzz helpp** on Tuesday, March 8, 2011 at 8:46pm.

The weights of adult males are normally distributed with a mean of 172 lb and a standard deviation of 29 lb.

1.Find the weight that divides the upper 2% of weights from the lower 98%.

Can anyone please explain how to do this,I have no idea from where to begin.

Thanks.

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