please assist

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 6 days. Answer the following questions and round your answers to 4 decimal places as needed. What is the probability that symptoms will remain 9 or more days after being diagnosed with this virus? :1 What is the probability that symtpoms with remain fewer than 2 days after being diagnosed with this virus? :1