Name the Artist: That'll Be The Day?

Questions

what is the first thing that 97% of people will write when offered a new pen?

what have over 80% of boxers suffered?

what does the average person do approximately 15 times a day?

before wwii, the new york phone book had 22 listings for what surname, and none after wwii?

of what is the word 'fortnight' a contraction?