Math

if the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.20, what are the odds against a direct hit?
1 : 0.20 I :19 i think its like this way?

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  1. 1.0 - 0.2 = 0.8

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    Ms. Sue
  2. The concept of odds is slightly different from probablity

    the odds in favour of some event
    = prob of the event happening : prob of the event NOT happening

    so, prob of direct hit = .2
    prob of no direct hit = .8

    odds in favour of no direct hit = .8 : .2
    = 8:2
    = 4 : 1

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