The cumulative relative frequency for those that have visited 3 or fewer states will be 0.65.
How to calculate the frequency?
It should be noted that from the information given, the students surveyed the number of states that they have visited.
Therefore, the cumulative frequency for those that have visited 3 or fewer states will be:
= 0.10 + 0.25 + 0.30
= 0.65
Therefore, the cumulative relative frequency for those that have visited 3 or fewer states will be 0.65.
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