In a study of brand recognition, 831 consumers knew of Campbell's Soup, and 18 did not (based

Question:

In a study of brand recognition, 831 consumers knew of Campbell's Soup, and 18 did not (based on data from Total Research Corporation). Use these results to estimate the probability that a randomly selected consumer will recognize Campbell's Soup. How do you think this probability value compares to typical values for other brand names?