Laura listens to one of 3 different podcasts while exercisin…
Laura listens to one of 3 different podcasts while exercising. Podcast A is 15 minutes long, podcast B lasts 30 minutes, and podcast C is 90 minutes. Last month Laura listened to podcast A 19 times, podcast B 4 times, and podcast C 2 times. Compute the unweighted mean time of the 3 podcasts Laura listens to.