1. What proportion, 2. What proportion, than 80 points?

MATLAB: An Introduction with Applications
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1. What proportion, percent, and number of people had well-being scores higher than 125 points?
2. What proportion, percent, and number of people of the people had well-being scores higher
than 80 points?
3. What proportion, percent, and number of people of the people had well-being scores less than
85 points?
Transcribed Image Text:1. What proportion, percent, and number of people had well-being scores higher than 125 points? 2. What proportion, percent, and number of people of the people had well-being scores higher than 80 points? 3. What proportion, percent, and number of people of the people had well-being scores less than 85 points?
For your doctoral dissertation, you decide to study the social well-being of 100,000 people. You ask them
to complete a questionnaire that measures social well-being. Higher numbers indicate more positive
well-being. Your results indicate that the average well-being score is 100 points with a standard deviation
of 20 points. Use this information to answer problems 1-16 below.
Finding Probability under the Normal Curve
Note: to report number of people, multiply the proportion by the number of people. Always round people
UP to a whole number.
Transcribed Image Text:For your doctoral dissertation, you decide to study the social well-being of 100,000 people. You ask them to complete a questionnaire that measures social well-being. Higher numbers indicate more positive well-being. Your results indicate that the average well-being score is 100 points with a standard deviation of 20 points. Use this information to answer problems 1-16 below. Finding Probability under the Normal Curve Note: to report number of people, multiply the proportion by the number of people. Always round people UP to a whole number.
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