In a recent study on world happiness, participants were askedwith a mean of 6.1 and a standard deviation of 2.3. Answer parts (a)-(d) below.evaluate their current lives on a scale from 0 to 10, where O represents the worst possible life and 10 represents the best possible life. The responses were nomally distributed,(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 0.1806. (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- (Round to four decimal places as needed.)

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Answered: In a recent study on world happiness,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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 4,8 and a standard deviation of 2.2. 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 was less than 4 is . (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Chock Answer Clear All parts remaining 2:06 AM (? 2/27/2021 horo to search %23
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.1 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. (a) Find the probability that a study participant has a height that is less than 68 inches. The probability that the study participant selected at random less than 68 inches tall is . (Round to four decimal places as needed.)
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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 4.9 and a standard deviation of 2.3. (a) Find the probability that a randomly selected study participant's response was less than 4.
In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 69.1 inches and a standard deviation of 2.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below. ... (a) Find the probability that a study participant has a height that is less than 65 inches. The probability that the study participant selected at random is less than 65 inches tall is 0.0202. (Round to four decimal places as needed.) (b) Find the probability that a study participant has a height that is between 65 and 71 inches. The probability that the study participant selected at random is between 65 and 71 inches tall is 0.8088. (Round to four decimal places as needed.) (c) Find the probability that a study participant has a height that is more than 71 inches. The probability that the study participant selected at random is more than 71 inches tall is (Round to four decimal places as needed.) .
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In a survey of a group of men, the heights in the 20-29 age group were normally distributed, with a mean of 68.4 inches and a standard deviation of 4.0 inches. A study participant is randomly selected. Complete parts (a) through (d) below.

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