4. Probability
Multiplication Rule: Independent Events
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The spinner below has 6 equal colored regions numbered 1-6. Find the probability of stopping on yellow for the first spin, stopping on an even number on the second spin, and stopping on blue or red on the third spin.
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B
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Identify the number of yellow regions on the spinner. From the image, there are 2 yellow regions (numbered 2 and 5).
Calculate the probability of stopping on yellow for the first spin. Since there are 6 equal regions, the probability is the number of yellow regions divided by the total number of regions: \( \frac{2}{6} \).
Identify the even numbers on the spinner. The even numbers are 2, 4, and 6.
Calculate the probability of stopping on an even number on the second spin. There are 3 even numbers, so the probability is \( \frac{3}{6} \).
Identify the blue and red regions on the spinner. There are 2 blue regions (numbered 3 and 6) and 2 red regions (numbered 1 and 4). Calculate the probability of stopping on blue or red on the third spin: \( \frac{4}{6} \).
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