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. **Which of the following is true? ** [[☃ radio 1]]