4. A study of 30 fathers was completed in which the fathers were asked the highest level of education they had completed. 10 com
1 answer:
Answer:
The cumulative percentage of fathers who completed only elementary school is nearle 33%.
Step-by-step explanation:
Among 30 fathers:
- 10 completed only elementary school;
- 10 completed elementary school and high school;
- 7 completed elementary school, high school and college;
- 3 completed elementary school, high school, college and graduate school.
You can fill these numbers into the table:
The cumulative percentage of fathers who completed only elementary school is nearle 33%.
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It is a bit tedious to write 6 equations, but it is a straightforward process to substitute the given point values into the form provided.
For segment ab. (x1, y1) = (1, 1); (x2, y2) = (3, 4).
... x = 1 + t(3-1)
... y = 1 + t(4-1)
ab = {x=1+2t, y=1+3t}
For segment bc. (x1, y1) = (3, 4); (x2, y2) = (1, 7).
... x = 3 + t(1-3)
... y = 4 + t(7-4)
bc = {x=3-2t, y=4+3t}
For segment ca. (x1, y1) = (1, 7); (x2, y2) = (1, 1).
... x = 1 + t(1-1)
... y = 7 + t(1-7)
ca = {x=1, y=7-6t}
