[tex] \rm \: p = \frac{favourable \: outcome}{total \: outcome} [/tex]
- Total outcome = 12+5+8+1+4 = 30
- Favourable outcome = 12
[tex] \rm \: p = \frac{12}{30} [/tex]
[tex] \rm \: p = \frac{2}{5} [/tex]
[tex] \rm \: p = 0.4[/tex]
[tex] \tt \: p = \frac{0.4}{100} [/tex]
[tex] \tt \: p = 40\%[/tex]
