Question

A survey is being conducted on a random sample as shown to analyse the music preference of the people.

Pop music is preferred by % of people.

• A. 50
• B. 45
• C. 33.33
• D. 40

Answer 1

The correct option is B 45

Here from the sample,

Sample size = 28 + 27 + 45 = 100

Number of people who prefer pop music = 45

Percentage of people who prefer pop:
$\frac{45}{100}\times 100=45\%$