At a basketball game in an enclosed arena, you happen to sit next to a screaming baby. If the baby's yell arrives at your ear with an intensity level of \(75 \mathrm{~dB}\), and the music that reaches your ear from the loudspeakers during the teams' warm-up is at \(80 \mathrm{~dB},(a)\) what is the intensity \(I\) of the overall sound you hear and \((b)\) what is the intensity level of the sound you hear?