A certain DJ takes requests for songs at a party. Assume that there are 120 people at the party, each of whom makes exactly one request for a song. All of their requests are made independently. Assume that each person asks for a pop song with probability 0.37, a rock song with probability 0.2, or a rap song with probability 0.43. What is the probability that 50 or more requests are made for pop songs? a. 0.37
b. 0.63
c. 0.146
d. 1.06