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Use the information to find: (a) the probability that a day in November had some rain.

Mathematics

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Answer

15 au 0.2\frac{1}{5} \text{ au } 0.2

Step-by-step solution

4 steps
  1. Tambua idadi ya siku za mvua mwezi Novemba kutoka kwenye jedwali.

    Kutoka Jedwali 13.2, idadi ya siku za mvua mwezi Novemba (N) ni 6.

  2. Tambua jumla ya siku katika mwezi Novemba.

    Mwezi Novemba una siku 30.

  3. Kokotoa uwezekano wa siku kuwa na mvua mwezi Novemba.

    Uwezekano = (Idadi ya siku za mvua mwezi Novemba) / (Jumla ya siku mwezi Novemba)

    P(mvua Novemba)=630P(\text{mvua Novemba}) = \frac{6}{30}
  4. Rahisisha sehemu.

    P(mvua Novemba)=15P(\text{mvua Novemba}) = \frac{1}{5}

    Au kama desimali:

    P(mvua Novemba)=0.2P(\text{mvua Novemba}) = 0.2

    Uwezekano kwamba siku mwezi Novemba ilikuwa na mvua ni:

    15 au 0.2\frac{1}{5} \text{ au } 0.2
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