Heygirl6385 Heygirl6385 08-02-2024 Business contestada Stock Market Participation An economist sampled 1900 individuals and found that 782 actively participate in the stock market. a. Find the sample proportion. (Round your answer to 4 decimal places.) a) 0.4111 b) 0.5821 c) 0.8792 d) 0.1437