A rainstorm in Portland, Oregon, wiped out the electricity in of the households in the city. Suppose thata random sampleof Portland households is taken after therainstorm.

a. Estimate the number of households in the sample that lostelectricity by giving the mean of the relevant distribution (thatis, the expectation ofthe relevant randomvariable). Do not round your response.

b. Quantify the uncertainty of your estimate by giving thestandard deviation of the distribution. Round your response to atleast three decimal places.

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This is a binomial problem a The mean of a binomial problem is given by np n number of the popul... View the full answer