The answer is 1/5 or 20% chance that it would be 5 or 7.
Ten balls numbered 1 to 10 are placed in a basket. if one ball is selected at random. The probability that the number is 5 or 7 is 1/5 or 20%.
Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
P(E) = Number of favorable outcomes / total number of outcomes
Ten balls numbered 1 to 10 are placed in a basket. if one ball is selected at random.
The number of getting 5 or 7 = 2
Total number = 10
The probability that the number is 5 or 7
= 2/10
= 1/5
The answer is 1/5 or 20%.
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