identify any unusual events and explain the reasoning

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 (a) (d) below life and 10 represents the best possible life. The responses were normally distributed, with a mean of 5:4 and a standard deviation of 2 2. Answer parts (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.) (b) Find the probability that a randomly selected study participant's response was between 4 and 6. The probability that a randomly selected study participants response was between 4 and 6 is (Round to four decimal places as needed.) (c) Find the probability that a randomly selected study participant's response was more than 8. Irthanks recnance as more than & is. (Round to four docimal narse as noodad TH prabshilife that a random