E Homework: Midterm Exam Review Part 1 of 4 points Points: 0 of 1 Save In a recent study on world happiness, participants were asked to evaluate their current lives on a scale from 0 to 10, where 0 represents the worst possible life and 10 represents the best possible life. The responses were normally distributed, with a mean of 6.4 and a standard deviation of 2.1. Answer parts (a) (d) below. (a) Find the probability that a randomly selected study participant's response was less than 4. The probability that a randomly selected study participant's response was less than 4 is .(Round to four decimal places as needed.) Help me solve this View an example Get more help - Clear all Check