The bar graph shows the percentage of Americans who were not too happy, very happy, and
Chapter 2, Problem 134(choose chapter or problem)
The bar graph shows the percentage of Americans who were not too happy, very happy, and pretty happy for four selected years from 1980 through 2010. Use the information in the graph to write each set in Exercises 133 – 138 in roster form or express the set as \(\varnothing\).
\(\{x \mid x \text { was a year in which more than } 30 \% \text { were very happy }\} \cap \{x \mid x \text { was a year in which fewer than } 12 \% \text { were not too happy }\}\)
Text Transcription:
varnothing
{x mid x was a year in which more than 30% were very happy} cap {x mid x was a year in which fewer than 12% were not too happy}
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