A market research team compiled the following discrete probability distribution for families residing in Randolph County....

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A market research team compiled the following discrete probability distribution for families residing in Randolph County. In this distribution,x represents the number of evenings the family dines outside their home during a week. X P(x) 0 0.30 1 0.50 2 0.10 3 0.10 The standard deviation of x is 2.00 0.89 1.09 1.00 0.80 A market research team compiled the following discrete probability distribution for families residing in Randolph County. In this distribution,x represents the number of evenings the family dines outside their home during a week. X P(x) 0 0.30 1 0.50 2 0.10 3 0.10 The standard deviation of x is 2.00 0.89 1.09 1.00 0.80