How many counters are there in the bag?
Conditional Probability
Interactive Video
•
Mathematics
•
10th - 12th Grade
•
Hard
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The video tutorial explains how to calculate the probability of obtaining an odd total when selecting three counters from a bag of eight. It covers the initial setup, the reduction of the denominator as counters are selected, and the calculation of probabilities for different combinations of odd and even counters. The tutorial concludes with a final probability calculation and a discussion on the marks allocation for the problem.
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7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Explain how the denominator changes as counters are taken from the bag.
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the total number of odd counters in the bag?
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the probability of selecting three odd counters consecutively?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
List the different combinations that can result in an odd total.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
How do you calculate the total probability of getting an odd total from the combinations?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the final probability of obtaining an odd total from the selected counters?
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