Whakaoti i te 0.45*0.55/1-0.55^2

$$0.45 \times \frac { 0.55 } { 1 - 0.55 ^ { 2 } }$$

Aromātai

$$\frac{11}{31}\approx 0.35483871$$

Ngā Upane Otinga

Tātaihia te 0.55 mā te pū o 2, kia riro ko 0.3025.

$$0.45\times \frac{0.55}{1-0.3025}$$

Tangohia te 0.3025 i te 1, ka 0.6975.

$$0.45\times \frac{0.55}{0.6975}$$

Whakarohaina te \frac{0.55}{0.6975} mā te whakarea i te taurunga me te tauraro ki te 10000.

$$0.45\times \frac{5500}{6975}$$

Whakahekea te hautanga \frac{5500}{6975} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 25.

$$0.45\times \frac{220}{279}$$

Me tahuri ki tau ā-ira 0.45 ki te hautau \frac{45}{100}. Whakahekea te hautanga \frac{45}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.

$$\frac{9}{20}\times \frac{220}{279}$$

Me whakarea te \frac{9}{20} ki te \frac{220}{279} mā te whakarea taurunga ki te taurunga me te tauraro ki te tauraro.

$$\frac{9\times 220}{20\times 279}$$

Mahia ngā whakarea i roto i te hautanga \frac{9\times 220}{20\times 279}.

$$\frac{1980}{5580}$$

Whakahekea te hautanga \frac{1980}{5580} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 180.

$$\frac{11}{31}$$

Tauwehe

$$\frac{11}{31} = 0.3548387096774194$$