Question

what percent of students have less than 1,000 songs on their mp3 players?
45%
15%
80%
20%

Explanation:

Step1: Identify relevant bar segments

The bars for "0-249" (5%), "250-499" (10%), "500-749" (15%), "750-999" (15%) represent <1000 songs.

Step2: Sum the percentages

$5\% + 10\% + 15\% + 15\% = 45\%$

Answer:

45%