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A box contains 10 balls, 7 of which are white. If one ball is drawn at random, w
A box contains 10 balls, 7 of which are white. If one ball is drawn at random, what is the probability that it is not white?
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Q1
A box contains 10 balls, 7 of which are white. If one ball is drawn at random, what is the probability that it is not white?
1/10
3/10
7/10
1/3
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There are 3 non-white balls. Probability = 3/10.
Questions & Step-by-step Solutions
1 item
Q
Q: A box contains 10 balls, 7 of which are white. If one ball is drawn at random, what is the probability that it is not white?
Solution:
There are 3 non-white balls. Probability = 3/10.
Steps: 6
Show Steps
Step 1: Identify the total number of balls in the box. There are 10 balls.
Step 2: Identify how many of those balls are white. There are 7 white balls.
Step 3: Calculate the number of non-white balls. Total balls (10) - White balls (7) = 3 non-white balls.
Step 4: Write down the total number of balls again, which is 10.
Step 5: Calculate the probability of drawing a non-white ball. Probability = Number of non-white balls (3) / Total number of balls (10).
Step 6: Simplify the probability. The probability is 3/10.
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