A survey is made to determine the number of households having electric appliances in a certain city. It is found that 75% have radios (R), 65% have electric irons (I), 55% have electric toasters (T), 50% have irons and radios, 40% have radios and toasters, 30% have irons and toasters, and 20% have all three. Determine the probability that a household has at least one of these appliances
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Home » Mathematics » A survey is made to determine the number of households having electric appliances in a certain city. It is found that 75% have radios (R), 65% have electric irons (I), 55% have electric toasters (T), 50% have irons and radios, 40% have radios and