17. The angles of a triangle are 44 degrees, 110 degrees, and 26 degrees. Classify the triangle.
1 answer:
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"97.5" will be the American women's % having their shoe sizes that are no more than 11.33.
Given values are:
- Mean = 8.33
- Standard deviation = 1.5
Now,
=
= (2 above Standard deviation)
→ The data values are between 8.33 and 11.33,
=
= (%)
→ The data value below 11.33,
= (%)
hence,
→ The percentage of American women will be:
=
= (%)
Thus the above answer is appropriate.
Learn more about empirical rule here:
It is
The equation for area of a trapezoid is
Substituting our values in
We can then simplify the expression