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 5.7 and a standard deviation of 2.3
Answer parts (a)–(d) below.
(a) Find the probability that a randomly selected study participant's response was less than 44.
The probability that a randomly selected study participant's response was less than 4 is nothing. (Round to four decimal places as needed.)
(b) Find the probability that a randomly selected study participant's response was between 44 and 66.
The probability that a randomly selected study participant's response was between 4 and 6 is nothing. (Round to four decimal places as needed.)
(c) Find the probability that a randomly selected study participant's response was more than 8.
The probability that a randomly selected study participant's response was more than 8 is nothing.
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In a recent study on world happiness, participants were asked to evaluate their current lives on...
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 61 and a standard deviation of 23. 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...
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