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September 20, 2014

September 20, 2014

Posted by **Laynette** on Sunday, August 28, 2011 at 5:03pm.

(A) What percentage of the grapefruits in this orchard have diameters less than 7.1 inches?

(B) What percentage of the grapefruits in this orchard are larger than 6.8 inches?

- statistics -
**PsyDAG**, Monday, August 29, 2011 at 11:35amZ = (score-mean)/SD = (score-6.45)/.45

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to these Z scores. Multiply by 100 to get percentage.

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