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1) In the city of Raccoon City, 65% of the population have been infected by a mutagenic pathogen known as the T-Virus. Suppose 15 residents
1) In the city of Raccoon City, 65% of the population have been infected by a mutagenic pathogen known as the T-Virus. Suppose 15 residents of Raccoon City were selected at random.
(a) What is the probability that 10 of those selected have been infected by the T-Virus?
(b) What is the probability that at least 9 of those selected have been infected by the T-virus?
(c) What is the probability that at most 12 of those selected have been infected by the T-virus?
(d) Calculate the expected value and standard deviation.
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