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According to data from the NJ Department of Health, about 21% of New Jerseys population has tested positive for Covid as of April 5, 2022.

According to data from the NJ Department of Health, about 21% of New Jersey’s population has tested positive for Covid as of April 5, 2022. For a randomly selected sample of 10 New Jersey residents, what is the probability that exactly 4 have tested positive?

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