n 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 4.8 and a standard deviation of 2.2. Answer parts (a)dash(d) below. (a) Find the probability that a randomly selected study participant’s response was less than 4.
b) Find the probability that a randomly selected study participant’s response was between 4 and 6 (
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