A social survey agency in Norway conducted a study on a sample of 1520 subjects and asked whether eating a vegan diet reduces chances of suffering a stroke. Out of 1520 sampled subjects, 761 responded probably true, and 759 responded probably not true. The proportion responding probably not true was 759/1520 = 0.499.

(a) Describe the population that may not be of interest to this exercise.

(b) Which population parameter cannot be inferred from the sample statistic given?

(c) What is the proportion of people who responded probably true?

(d) Will the value of the population parameter be the same as the sample statistic? Explain.