Question

In a random sample of students, 25% chose maths as their favourite subject. How many students in the school of 1200 students would you expect to choose maths as their favourite subject?

Answer 1

No. of students choosing maths as their favourite subject

$= percentage\ of\ student \ chosing \ math\times total\ no. \ of\ students$

$=\frac{25}{100}\times 1200=300\ students$