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erma4kov [3.2K]
4 years ago
8

Greg has an MP3 player called the Jumble. The Jumble randomly selects a song for the user to listen to. Greg's Jumble has 666 cl

assical songs, 777 rock songs, and 999 rap songs on it. What is \text{P(not a rap song})P(not a rap song)P, left parenthesis, n, o, t, space, a, space, r, a, p, space, s, o, n, g, right parenthesis?
Mathematics
1 answer:
padilas [110]4 years ago
5 0

We have been given that Greg's Jumble has 666 classical songs, 777 rock songs, and 999 rap songs.

Therefore, total number of songs are

666+777+999\\
=2442

The formula for probability is given by

P(E)=\frac{n(E)}{n(s)}

Let us first find the probability for rap song

P(\text{rap song})= \frac{999}{2442} \\  P(\text{rap song})= \frac{9}{22}\\

Therefore, we have

P(\text{ not rap song})=1- P(\text{rap song})\\
\\
P(\text{ not rap song})=1-\frac{9}{22} \\
\\
P(\text{ not rap song})=\frac{13}{22} =0.59

Hence, we have

P(not rap song)=0.59

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