Explain normal approximation to the binomial distribution., Ask an Expert

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describe Normal approximation to the binomial distribution.

As-per to a hospital administrator historical records over the past 10 years have shown that 20% of the main surgery patients are dissatisfied with after-surgery care in the hospital. A scientific poll based on 400 hospital patients has just been conducted. describe what is the probability that less than 64 patients will not be fulfilled with the after-surgery care?

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