Mathematics, 15.11.2020 21:00 natalievick03

According to a hospital administrator, historical records over the past 10 years have shown that 20 percent of the major surgery patients are dissatisfied with after-surgery care in the
hospital. A scientific poll based on 400 hospital patients has just been conducted. What is the
probability that at least 70 patients will not be satisfied with the after-surgery care?

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