In a certain population $10\%$ of the people are rich, $5\%$ are famous and $3\%$ are rich and famous. The probability that a person picked at random from the population is either famous or rich but not both, is equal to

  • A

    $0. 07$

  • B

    $0.08$

  • C

    $0. 09$

  • D

    $0. 12$

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