4. Probability
Multiplication Rule: Independent Events
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The spinner below has 6 equal regions. Find the probability of landing on yellow for the first spin and not landing on yellow on the second spin.
A
B
C
D
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Identify the total number of regions on the spinner. In this case, there are 6 equal regions.
Count the number of yellow regions on the spinner. There are 2 yellow regions.
Calculate the probability of landing on yellow in the first spin. This is the number of yellow regions divided by the total number of regions: \( \frac{2}{6} \).
Calculate the probability of not landing on yellow in the second spin. Since there are 4 non-yellow regions, the probability is \( \frac{4}{6} \).
Multiply the probability of landing on yellow in the first spin by the probability of not landing on yellow in the second spin to find the combined probability: \( \frac{2}{6} \times \frac{4}{6} \).
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