The time between infection and the display of symptoms for streptococcal sore throat is a random variable whose probability density function can be approximated by the following. fit) = #964105: if 0 s t S 150 and F(t) = 0 otherwise (t measured in hours) 15,676 (a) What is the probability that an infected patient will display symptoms within the first 36 hours? (Round your answer to three decimal places.) E (b) What is the probability that an infected patient will not display symptoms until after 24 hours? (Round your answer to three decimal places.) E