Researchers have shown that the number of successive days with symptoms after being diagnosed with a particular virus is a random variable that is exponentially distributed with a mean of 9 days. Answer the following questions and round your answers to 4 decimal places as needed. What is the probability that symptoms will remain 12 or more days after being diagnosed with this virus? What is the probability that symtpoms with remain fewer than 3 days after being diagnosed with this virus?

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