Samantha, Brooklyn, and Mary went to Bonnaroo music festival where they each attended various


concerts.


• Samantha only went to rock concerts where the sound level was normally distributed between 113


and 117 decibels.


• Brooklyn went to 4 concerts with Samantha and also went to 5 folk concerts where the sound level


was between 95 and 97 decibels.


• Mary got sick, so she only attended 2 shows - one rock concert and one folk concert.