While the world focuses on Covid-19, scientists are working hard to ensure that the Nipah virus doesn't cause the next pandemic. The death rate for Nipah virus is 50.0% . Suppose, 19 patients reportedly infected of this deadly virus are admitted to the central hospital after an outbreak. a. What is the mean number of patients whoʻ'll eventually die of the disease? Answer in exact fraction, or rounded to at least 2 decimal places. b. What is the standard deviation in the number of patients whoʻll die of Nipah infection? Answer in exact fraction, or rounded to at least 2 decimal places. c. What is the probability that the number of death is more than 2 standard deviations away from the mean value? Answer in exact fraction, or rounded to at least 4 decimal places.

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