joel has an mp3 player called the jumble. the jumble randomly selects a song for the user to listen to…

joel has an mp3 player called the jumble. the jumble randomly selects a song for the user to listen to. joels jumble has 2 classical songs, 13 rock songs, and 5 rap songs on it. what is p(rock song or rap song)? if necessary, round your answer to 2 decimal places.
Answer
Explanation:
Step1: Calculate total number of songs
$2 + 13+5=20$
Step2: Calculate number of rock or rap songs
$13 + 5=18$
Step3: Calculate probability
$P(\text{rock song or rap song})=\frac{18}{20}=0.90$
Answer:
$0.90$