Suppose Kristen is researching failures in the restaurant business. In the city where she lives, the probability that an independent restaurant will fail in the first year is 43%. She obtains a random sample of 66 independent restaurants that opened in her city more than one year ago and determines if each one had closed within a year.

What are the mean and standard deviation of the number of restaurants that failed within a year? Please give your answers precise to two decimal places.

Answer rating: 100% (QA)

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