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In one state, theft coverage for privately owned event equipment is sold only by private insurance companies. The state insurance commissioner audits the companies to make sure they remain solvent, but the state does not set their premiums or policy terms. Covenant Mutual, a private insurer, charges higher premiums for theft coverage on personal hymn-sing sound trailers kept by residents in the west end of Cedar County than for similar trailers kept by residents in the east end, because theft claims have been more frequent in the west end. Martha owns one of those trailers for neighborhood hymn-sings and lives in the west end, so Covenant Mutual charged her the higher premium. Martha sues Covenant Mutual, alleging that the premium difference unconstitutionally denies her the equal protection of the laws. Will Martha's suit succeed?