Unit Review: Independent & dependent events

P.1Write independent or dependent.

1. 1
   Choose a class president, then choose a different student as vice president. 
2. 2
   Take a cookie from a jar and eat it, then take another cookie. 
3. 3
   Draw a card from a deck, put it back and shuffle, then draw again. 
4. 4
   Choose one book from a shelf to borrow, then choose a second book from those left. 

P.2P.3Marbles are picked without looking. Write each probability as a fraction in simplest form.

1. 5
   Put the first marble back. P(yellow, then red) = 
2. 6
   Put the first marble back. P(blue, then yellow) = 
3. 7
   Put the first marble back. P(yellow, then red) = 
4. 8
   Put the first marble back. P(blue, then yellow) = 
5. 9
   Keep the first marble. P(blue, then green) = 
6. 10
   Keep the first marble. P(yellow, then yellow) = 

P.3Marbles are picked without looking. Write each probability as a fraction in simplest form. (continued)

1. 11
   Keep the first marble. P(green, then green) = 
2. 12
   Keep the first marble. P(red, then blue) = 

P.4Marbles are picked without looking. Write probabilities in simplest form.

1. 13
   Put the first marble back. P(red, then red) = 
2. 14
   Put the first marble back. P(red, then green) = 
3. 15
   Put the first marble back. P(green, then yellow) = 
4. 16
   Put the first marble back. P(green, then green) = 

P.1Independent or Dependent Events?

1. 1dependent
2. 2dependent
3. 3independent
4. 4dependent

P.2P.3Marbles are picked without looking. Write each probability as a fraction in simplest form.

1. 5$\frac{16}{121}$
2. 6$\frac{3}{25}$
3. 7$\frac{10}{49}$
4. 8$\frac{15}{64}$
5. 9$\frac{3}{20}$
6. 10$\frac{1}{12}$
7. 11$\frac{3}{14}$
8. 12$\frac{5}{44}$

P.4Independent & Dependent Events Review

1. 13$\frac{9}{64}$
2. 14$\frac{3}{16}$
3. 15$\frac{5}{36}$
4. 16$\frac{1}{4}$