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A survey found that 2 out of 5 Americans say he or she has visited a...

  1. A survey found that 2 out of 5 Americans say he or she has visited a doctor in any given month. If 16 people are selected at random

                

  1. Find the probability that 5 or more have visited the doctor last month.
  2. What is the mean variance and standard deviation of this binomial distribution?

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