Aband's first song is 4 minutes, 12 seconds long and has 462 beats.
the band wants to have a second song that is 3 minutes, 54 seconds long with the same beats per minute as the first song.
how many beats per

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?