In a certain county, the proportion of voters in each age group registered as Republicans, Democrats, or Independents is given by the following matrix, which we #x27;ll call A . The distribution, by age and gender, of this county #x27;s voting population is given by the following matrix, which we #x27;ll call B. a. Calculate the product A B b. How many female Democrats are there? c. How many male Republicans are there?
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