Mathematics, 11.10.2020 14:01 emilystartk
The summer income of the 3,408 students at Van Buren High School last year was normally distributed with mean $1,751 and standard deviation $421.
a. Approximately what percent of the students had incomes between $1,000 and $2,000? Round to the nearest percent.
b. Approximately how many students had incomes less than $800? Round to the nearest integer.
Answers: 1
Mathematics, 21.06.2019 21:30
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Mathematics, 21.06.2019 23:30
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Mathematics, 22.06.2019 04:20
Question 2 (essay worth 10 points) (03.02 mc) in δabc shown below, point a is at (0, 0), point b is at (x2, 0), point c is at (x1, y1), point d is at x sub 1 over 2, y sub 1 over 2, and point e is at the quantity of x sub 1 plus x sub 2 over 2, y sub 1 over 2: triangle abc is shown. point d lies on segment ac and point e lies on segment bc. a segment is drawn between points d and e. point a is at the origin. prove that segment de is parallel to segment ab.
Answers: 1
The summer income of the 3,408 students at Van Buren High School last year was normally distributed...
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