An аnimаl scientist cоnducts а study tо estimate the prоportion of cows of the Charolais breed that require assistance during calving. A random sample of 500 Charolais cows is selected. Results of the study show that 100 of the 500 cows in the sample required assistance in giving birth. What is the point estimate of the true population proportion (p) of Charolais cows that require assistance during calving?