There are 100 people on a line. Aviva is the 37th person and Naomi is the 67th person, of a person is on line chosen at random what is the probability that the person is standing between Aviva and Naomi
- 1/100
- 29/100
- 3/10
- None of these
Explanation
The probability that someone is between Aviva and Naomi
-
Aviva is the 37th person.
-
Naomi is the 67th person.
-
"Between" refers to people aged 37 to 67, i.e., positions 38 through 66.
Number of people between them = 66 − 38 + 1 = 29 people
There are 100 people total.
So the probability that a randomly chosen person is between them is:
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