The duration t (in minutes) of customer service calls received by a certain company is given by the probability density
Posted: Wed May 11, 2022 4:54 pm
The duration t (in minutes) of customer service calls received by a certain company is given by the probability density function shown below. = 0.4e-0.40 f(t) t 20 (a) Find the probability that a call selected at random lasts 5 minutes or more. (Round your answer to three decimal places.) (b) Find the probability that a call selected at random lasts 13 minutes or more. (Round your answer to four decimal places.)