Please Help! I will give you the brainiest and a lot of points! a. How many listened to only rock​ music?
n​(only ​rock)=

b. How many listened to classical and​ jazz, but not​ rock? This is the amount in region VI.

n​(classical and​ jazz, not ​rock)=

c. How many listened to classical or​ jazz, but not​ rock? This is the sum of the amounts in regions​ III, VI and VII.

n​(classical or​ jazz, not ​rock)=

d. How many listened to music in exactly one of the musical​ styles? This is the sum of the amounts in regions​ I, III, and VII.

n​(exactly one ​style)=

e. How many listened to music in exactly two of the musical​ styles? This is the sum of the amounts in regions​ II, IV, and VI.

n​(exactly two ​styles)=

f. How many did not listen to any of the musical​ styles? This is the amount in region VIII.

n​(none)=