In a survey question for a sample of 250 individuals, 100 students gave response 'good', 60 gave response 'average' and 90 students gave response as 'extra ordinary'. The point estimate of the proportion in the population who respond 'extra ordinary' is:
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 0.36
The point estimate of a population proportion is the sample proportion. 90 of the 250 individuals in the sample responded ‘extra ordinary’, so
\( \displaystyle \hat{p}=\frac{90}{250}=0.36 \)