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Icalculate the mean expected number of dines outside

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Reference no: EM13576757

Question: 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

(i) Calculate the mean (Expected) number of dines outside their home.

(ii) Calculate the variance of the number of dines.

(iii) Calculate the standard deviation of the number of dines.

Reference no: EM13576757

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