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What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.