The probability that the numbers on the two chips will differ by more than 2 will be ( 1 / 2 ).
Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.
Probability = Number of favorable outcomes / Number of sample
Given that an urn contains twenty chips, numbered 1 through 20. Two are drawn simultaneously.
Number of favorable outcomes = ( 4 - 2 ) , ( 3 - 1 ) , ( 6 - 4 ) , ( 10 - 8 ), ( 11 - 9 ), ( 7 - 5 ), ( 14 - 12), ( 15- 13 ) , ( 18 - 16 ), ( 19 - 17 ) = 10
Number of samples = 20
Probability = Number of favorable outcomes / Number of sample
Probability = 10 / 20
Probability = 1 / 2
Therefore, the probability that the numbers on the two chips will differ by more than 2 will be ( 1 / 2 ).
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