16. According to a recent report, people smile an average of u=62 time per day. Assuming that the distribution of smiles is approximately normal with a standard deviation of o=18, find each of the following values.a. What proportion of people smile more than 80 times a day?b. What proportion of people smile at least 50 times a day.
Do you have a similar assignment and would want someone to complete it for you? Click on the ORDER NOW option to get instant services at essayloop.com