(Answered) About 94nbspof all workers employed by the university

Engineering

About 94% of all workers employed by the university belong to the workers' union. Recently, the workers went on strike, and now a local TV station plans to interview a sample of 20 workers, chosen at random, to get their opinions on the strike.

A. Estimate the number of workers in the sample who are union members by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable).

B. Quantify the uncertainty of your estimate by giving the standard deviation of the distribution.

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