Final answer:
The subject of this question is Mathematics because it involves concepts related to probability and statistics. The problem requires calculating probabilities and using normal distribution to determine sound levels at the concerts attended by Samantha, Brooklyn, and Mary.
Step-by-step explanation:
The subject of this question is Mathematics because it involves concepts related to probability and statistics.
First, let's define the problem. Samantha, Brooklyn, and Mary attended different concerts at the Bonnaroo music festival. 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 attended 5 folk concerts where the sound level was between 95 and 97 decibels. Mary attended 2 shows, one rock concert, and one folk concert.
To solve the problem, we can use the concepts of probability and normal distribution. We need to calculate the probability that Samantha attended rock concerts, Brooklyn attended rock and folk concerts, and Mary attended rock and folk concerts. We can also calculate the probability of the sound levels for each concert.