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Amsel
Lv 4
Amsel asked in Science & MathematicsMathematics · 8 years ago

Math binomial distribution question?

55% of marriages end in divorce suppose ten marriages are randomly selected what is the probability that less than 2 end in divorce?

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  • Karuppasamy K
    Lv 5
    8 years ago
    Favorite Answer

    p=0.55, q=0.45, n=10

    P(x<2) = P(x=0)+P(x=1) = (0.45)^10+10*(0.55)*(0.45)^9 = 0.0045 (approx)

    Source(s): www.drkk.in
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