A jar contains 6 green and 4 yellow marbles. What is the probability of picking
Practice Questions
Q1
A jar contains 6 green and 4 yellow marbles. What is the probability of picking a yellow marble?
2/5
1/2
4/10
3/5
Questions & Step-by-Step Solutions
A jar contains 6 green and 4 yellow marbles. What is the probability of picking a yellow marble?
Step 1: Count the number of green marbles in the jar. There are 6 green marbles.
Step 2: Count the number of yellow marbles in the jar. There are 4 yellow marbles.
Step 3: Add the number of green and yellow marbles together to find the total number of marbles. Total marbles = 6 + 4 = 10.
Step 4: Identify how many of the total marbles are yellow. There are 4 yellow marbles.
Step 5: To find the probability of picking a yellow marble, divide the number of yellow marbles by the total number of marbles. Probability of yellow marble = 4 (yellow marbles) / 10 (total marbles).
Step 6: Simplify the fraction 4/10 to its simplest form. 4/10 = 2/5.
Probability Calculation – Understanding how to calculate the probability of an event by dividing the number of favorable outcomes by the total number of possible outcomes.
