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Daniel Math Academy · Grade 8 Math

Probability of Dependent Events

Skill P.3 · Independent & dependent events · ★★☆ Medium · Quarter 4

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Marbles are picked without looking. Write each probability as a fraction in simplest form.

1. 1
   Keep the first marble. P(red, then yellow) = 
2. 2
   Keep the first marble. P(blue, then red) = 
3. 3
   Keep the first marble. P(red, then blue) = 
4. 4
   Keep the first marble. P(yellow, then blue) = 
5. 5
   Keep the first marble. P(blue, then yellow) = 

Daniel Math Academy · Grade 8 Math

Answer Key

P.3 Probability of Dependent Events · ★★☆ Medium

1. 1$\frac{15}{56}$
2. 2$\frac{1}{3}$
3. 3$\frac{1}{6}$
4. 4$\frac{2}{21}$
5. 5$\frac{2}{7}$