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3 Use the probability distribution or histogram to find the a mean b variance c...

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3 Use the probability distribution or histogram to find the a mean b variance c standard deviation and d expected value of the probability distribution and e interpret the results The histogram shows the distribution of household sizes in country A for a recent year a The mean is Type an integer or a decimal Do not round b The variance is Round to two decimal places as needed c The standard deviation is Round to two decimal places as needed d The expected value is Type an integer or a decimal Do not round e Interpret your results Select all that apply A The average household is expected to have either 2 or 3 people B The average household is expected to have either 1 or 2 people C Most of the household sizes differ from the expected value by 2 or people AP x 0 40 0 30 0 253 0 20 0 10 0 00 0 328 0 149 0 158 2 3 Household Size 0 063 0 049

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