P.4

Independent & Dependent Events Review

Q4 · Apr–Jun

Tell independent from dependent events and find the probability of each.

Level

Medium

Level

Problems

Show exampleInclude answer key

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 8 Math Independent & Dependent Events Review Skill P.4 \cdot Independent & dependent events \cdot ★★☆ Medium \cdot Quarter 4 Name Date Score / 4 Scan for answers Marbles are picked without looking. Write probabilities in simplest form. Example R R R B B B B B P (red) = \frac{3}{8} P (red, then blue) = \frac{3}{8} \times \frac{5}{8} = \frac{15}{64} Think: The marble goes back, so the bag is the same for the second pick: multiply the two probabilities. 1 B B B B Y Y Y Y Y Put the first marble back. P(blue, then yellow) = 2 R R G G G G G Put the first marble back. P(green, then red) = 3 Y Y Y G G B B B B B Put the first marble back. P(yellow, then yellow) = 4 G Y Y Y Y Y R R R R R Put the first marble back. P(red, then yellow) = Daniel Math Academy \cdot danielmath.com Worksheet # exiptzf \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key P.4 Independent & Dependent Events Review \cdot ★★☆ Medium 1 \frac{20}{81} 2 \frac{10}{49} 3 \frac{9}{100} 4 \frac{25}{121} Daniel Math Academy \cdot danielmath.com Worksheet # exiptzf \cdot Answer Key \cdot Page 2 / 2

P. Independent & dependent events4 skills