Problems 63–66 are based on a consumer survey of annual incomes in 100 households. The following table gives the data.
What is the probability that a household has an annual income of $30,000 or more?
The probability is
The given table is
The number of households having an annual income of $30,000 or more is
The sample space consists of households, the number of households are
Substitute the values in the formula to find the required probability,
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