Lucialari7469 Lucialari7469

13-05-2023
Medicine

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According to the Centers for Medicare & Medicaid Services, 21% of nursing homes in the United States received five stars in overall ratings on a scale of 1 to 5. A random sample of seven nursing homes was selected. What is the probability that two or three of them received five stars?
a. 0.2226
b. 0.4112
c. 0.2381
d. 0.1457

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