Mathematics, 04.05.2021 15:00 lilo1841

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 6.2 and a standard deviation of 2.4. Answer parts (a)-(d) below.

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