This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Huu hapa ni utatuzi wa swali la 12.
Swali la 12: Mfuko mmoja una mipira 10 ambapo 3 ni mekundu, 5 ni meupe na 2 ni ya kijani. Mfuko mwingine una mipira 12 ambapo 4 ni mekundu, 3 ni meupe na 5 ni ya kijani. Mfuko unachaguliwa kwa nasibu na mpira unachaguliwa kwa nasibu. Tafuta uwezekano kwamba mpira uliochaguliwa ni mwekundu.
Step 1: Tambua idadi ya mipira na uwezekano wa kuchagua mpira mwekundu kutoka kila mfuko.
Mfuko wa Kwanza ():
Mfuko wa Pili ():
Step 2: Tambua uwezekano wa kuchagua kila mfuko. Kwa kuwa mfuko unachaguliwa kwa nasibu na kuna mifuko miwili:
Step 3: Tumia kanuni ya jumla ya uwezekano (Total Probability Rule) kupata uwezekano wa kuchagua mpira mwekundu. Badilisha thamani ulizopata:
Step 4: Hesabu matokeo. Ili kujumlisha sehemu hizi, tafuta kigawo cha kawaida, ambacho ni 60. P(R) = \frac{19{60}}
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Huu hapa ni utatuzi wa swali la 12. Swali la 12: Mfuko mmoja una mipira 10 ambapo 3 ni mekundu, 5 ni meupe na 2 ni ya kijani.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.