Asked by student
                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
            
        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
Answers
                    Answered by
            R_scott
            
    from a z-score table
the lower 20% is below ≈.842 σ
    
the lower 20% is below ≈.842 σ
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