Probability of Music Preference

Medium Problem Solving And Data Analysis Probability And Statistics

A survey was conducted among 120 students asking them about their favorite type of music. The results showed that 50 students preferred rock music, 30 preferred pop music, 20 preferred classical music, and 20 preferred jazz music. Based on this survey, what is the probability that a randomly selected student from this group prefers either rock music or classical music?

$$\frac{2}{3}$$

$$\frac{5}{12}$$

$$\frac{7}{12}$$

$$\frac{3}{8}$$

Hint

Submitted11.5K

Correct9.7K

% Correct85%