What is the probability the first song will be from playlist B and she does not sing along? Yuridia listens to playlist A 45% of the time and playlist B 55% of the time. She loves music so much that she does not just listen to it; 70% of are time she only sings along, 20% of the time she only dances along, and 10% of the time she sings and dances along to the music.
a-15%
b-9%
c-13%
d-11%​