According to the St. Lucie Economic Development Council, the average household income in St. Lucie county is $48,350, with a standard deviation of $2,850. Determine the following probabilities. Round solutions to four decimal places, if necessary. Determine the probability that a randomly selected St. Lucie county household has an income less than or equal to 53,339. P(x≤$53,339)=P(x≤$53,339)= Determine the probability that a randomly selected St. Lucie county household has an income between 51,200 and 54,372. P($51,200

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