Number of deaths from 5000 men+5000 women in 1 year: 45 men 28 women at age of 50.Work out insurance premium for $10000 coverage for a 50yr old man for 1 year, 40% of the premium is taken by costs.

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Joy -The male mortality rate at age 50 equals 45/5000 or 0.009.The annual "net" premium before expense costs is 10,000 x .009 or $90.00.Finally, the "gross" premium including expense costs equals $90/(1-.40) = $90/(0.60) = $150 annual premium.Hope that helps

$90/(1-.40) = $90/(0.60) = $150 and you solve it by doing what that person said