P.1

독립사건인가 종속사건인가

4분기 (4~6월)

첫 번째 사건이 두 번째 사건의 확률을 바꾸는지 판단하기

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Daniel Math Academy · Grade 8 Math

Independent or Dependent Events?

Skill P.1 · Independent & dependent events · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 6

Write independent or dependent.

Example

Pick a marble and keep it, then pick again: dependent

Think: Keeping the first marble changes what is left in the bag, so the second pick depends on the first. Putting it back would make them independent.

  1. 1
    Flip a coin, then roll a number cube. 
  2. 2
    Pick a name from a hat and leave it out, then pick another name. 
  3. 3
    Choose one book from a shelf to borrow, then choose a second book from those left. 
  4. 4
    Draw a card from a deck, put it back and shuffle, then draw again. 
  5. 5
    Choose a shirt from a drawer, put it back, then choose again. 
  6. 6
    Spin a spinner, then spin it again. 
Daniel Math Academy · danielmath.comWorksheet #tacjrbd · Page 1 / 2
Daniel Math Academy · Grade 8 Math

Answer Key

P.1 Independent or Dependent Events? · ★★☆ Medium

  1. 1independent
  2. 2dependent
  3. 3dependent
  4. 4independent
  5. 5independent
  6. 6independent
Daniel Math Academy · danielmath.comWorksheet #tacjrbd · Answer Key · Page 2 / 2