Tour 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 participant's response was between 4 and 6 is 1.0526. (Round to four decimal places as needed.)

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**Study on World Happiness**

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 5.6 and a standard deviation of 1.9. Answer the following questions:

**(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 **0.1999**. (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 participant's response was between 4 and 6 is **1.0526**. (Round to four decimal places as needed.)

(Note: The text does not include any graphs or diagrams that need to be explained.)
Transcribed Image Text:**Study on World Happiness** 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 5.6 and a standard deviation of 1.9. Answer the following questions: **(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 **0.1999**. (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 participant's response was between 4 and 6 is **1.0526**. (Round to four decimal places as needed.) (Note: The text does not include any graphs or diagrams that need to be explained.)
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