Mathematics, 18.01.2020 02:31 layshascott

In a survey, 250 adults and children were asked whether they know how to
swim. the survey data are shown in the relative frequency table.
what percentage of the people surveyed are adults?

In a survey, 250 adults and children were asked whether they know how to swim. the survey data

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In a survey, 250 adults and children were asked whether they know how to
swim. the survey data...