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anonymous

  • one year ago

Is it A? Determine the sum of the given probabilities. Are the events complementary? P(gold) = 4/11; P(silver) = 7/11 A. 1 The events are complementary. B. 1 The events are not complementary. C. 1/2 The events are complementary. D. 1/2 The events are not complementary.

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  1. anonymous
    • one year ago
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    @Preetha

  2. anonymous
    • one year ago
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    @AravindG

  3. AravindG
    • one year ago
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    Do you know when probabilities become complementary?

  4. anonymous
    • one year ago
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    Complementary events are like 1/2 or like flipping a coin and getting heads or tails, rite?

  5. amistre64
    • one year ago
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    almost, two sets are complementary when they add up to the entire sample space of events say the universal set is: U={a,b,c,d,e} let setA = {a,b,c} the complement of A is the set U-A = {d,e} A combined with its complement form the Universal set.

  6. amistre64
    • one year ago
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    In probability, the universal set of the sample space, is 1 so the probability of the complements added up will have to equal what?

  7. anonymous
    • one year ago
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    I dunno. I'm sorry, but I don't get most of what you're trying to say.

  8. amistre64
    • one year ago
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    what is the probability of an entire sample space?

  9. anonymous
    • one year ago
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    That would be...1, rite?

  10. amistre64
    • one year ago
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    yes and complements are events that are mutually exclusive (what does this mean?) that add up to the entire sample space.

  11. anonymous
    • one year ago
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    Oh okie

  12. amistre64
    • one year ago
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    and yes, its A ... 4/11 + 7/11 = 1, and gold cannot be silver so they are mutually exclusive.

  13. anonymous
    • one year ago
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    Thnx for helping me :)

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