Three noncollinear points determine a triangle. How many triangles can be formed with 8 points, no three of which are collinear?
1 answer:
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Using the probability concept, it is found that since the number of red sweets would be a decimal number, the probability cannot be
Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
In this problem:
- In total, there are 8 + n sweets in the bag.
- Of those, n are red.
The probability of red is:
Supposing, we solve for n:
10n = 7n + 56
3n = 56
n = 56 / 3
n = 18.67
Since the number of red sweets would be a decimal number, the probability cannot be 7 / 10
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