According to the health department, 40% of adults will experience flu like symptoms this cold season. Suppose 400 adults are selected at random and the sample proportion of people who experience symptoms is recorded. (Round all values to 4 decimal places) a. Describe the distribution of the sample proportion: p will be Select an answer with up and op = b. What is the probability that the sample proportion is less than 38%? c. What is the probability that the sample proportion is between 37% and 43%