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A relative frequency table is a graph that depicts the popularity or pattern of a certain piece of data based on the population sampled. The value of x will be 85.

What is a relative frequency table?

A relative frequency table is a graph that depicts the popularity or pattern of a certain piece of data based on the population sampled.

When we examine the relative frequency, we examine the number of times a certain event happens in comparison to the overall number of events.

We have the following equation for the adult column;

[tex]\rm x + 0.15 = 1[/tex]

[tex]\rm x = 1-0.15\\\\\rm x = 0.85[/tex]

Hence the value of x will be 85.

To learn more about the relative frequency table refer to the link;

https://brainly.com/question/1809498