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Use technology or a z-distribution table to find the indicated area.

The weights of grapefruits in a bin are normally distributed with a mean of 261 grams and a standard deviation of 9.4 grams.

Approximately 20% of the grapefruits weigh less than which amount?

239 g

247 g

253 g

261 g

1 answer

from a z-score table

the lower 20% is below ≈.842 σ

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