(Solution) - A density histogram of the ACT scores in points of -(2025 Original AI-Free Solution)

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A density histogram of the ACT scores (in points) of seniors at a certain high school is displayed in Fig. 68. Some of the bars have been left blank on purpose.

a. Estimate the proportion of the scores that are between 15 and 25 points.
b. Estimate the proportion of the scores that are between 10 and 30 points.
c. Estimate the proportion of the scores that are between 5 and 35 points.
d. Estimate s.