Question 671516
What percentage of the grapefruits in this orchard are larger than 6.75 inches? 
z(6.75) = (6.75 - 6.85)/0.8 = -0.125
P(x>6.75) + P(z>-0.125) = 0.0096 = 0.96%
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Cheers,
Stan H.
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