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Math Help - [SOLVED] Statistics Problem

  1. #1
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    [SOLVED] Statistics Problem

    The proportion of party A supporters is 30%. What is the probability that if 5 voters at random are selected that all 5 are NOT supporters of party A?
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  2. #2
    Senior Member Twig's Avatar
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    Hi

    Since the probability that a person supports A is 0.3 , then the probability of a person NOT supporting A is  1 - 0.3 = 0.7

    So, for 5 random people not supporting A we get:  (0.7)^{5} \approx 0.168
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  3. #3
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    Thanks a lot. I was debating whether that or 0.7 * 5. I appreciate it
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