The marginal frequency of energy sector bonds is closest to: A. 27. B. 85. C. 215. A

The marginal frequency of energy sector bonds is closest to:

A. 27.

B. 85.

C. 215.

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A fixed-income portfolio manager creates a contingency table of the number of bonds held in her portfolio by sector and bond rating. The contingency table is presented here: Bond Rating Sector A AA AAA Communication Services 25 32 27 Consumer Staples 30 25 25 Energy 100 85 30 Health Care 200 100 63 Utilities 22 28 14