Which of these pairs of events are dependent?
a. You flip a coin and get tails. You flip it a second time and get heads.
b. You pull your friend's name out of a hat that holds 20 different names, replace
name, then draw out your friend's name again.
c. You spin a spinner divided into five equal parts and is numbered 1-5. You get a 3 on the first spin, and then spin again and get a 2 on the second spin.
d. You remove a black sock from a drawer without looking, then remove another black
sock.
