Probability Trees

Find P(MM)

• $\frac{42}{132}$

• $\frac{35}{132}$

• $\frac{20}{132}$

• $\frac{13}{23}$

Find P(MD)

• $\frac{42}{132}$

• $\frac{35}{132}$

• $\frac{20}{132}$

• $\frac{13}{23}$

Find P(DM)

• $\frac{42}{132}$

• $\frac{35}{132}$

• $\frac{20}{132}$

• $\frac{13}{23}$

Find P(DD)

• $\frac{42}{132}$

• $\frac{35}{132}$

• $\frac{20}{132}$

• $\frac{13}{23}$

Find the probability of picking two blue pens

• $\frac{56}{90}$

• $\frac{16}{90}$

• $\frac{64}{100}$

• $\frac{15}{90}$

Find the probability of picking a red pen then a blue pen

• $\frac{56}{90}$

• $\frac{16}{90}$

•  $\frac{16}{100}$ 

•  $\frac{10}{90}$ 

Find the probability of picking two red pens

• $\frac{56}{90}$

• $\frac{16}{90}$

•  $\frac{4}{90}$ 

•  $\frac{2}{90}$ 

Find A, the probability that the first counter is Blue

• $\frac{4}{8}$

• $\frac{3}{7}$

• $\frac{5}{8}$

• $\frac{5}{7}$

Find B, the probability that the first counter is Red

•  $\frac{3}{8}$ 

• $\frac{3}{7}$

•  $\frac{5}{8}$ 

• $\frac{5}{7}$

Find the probability of selecting two lemon sweets

• $\frac{10}{18}$

• $\frac{25}{81}$

• $\frac{16}{81}$

• $\frac{20}{81}$