a circular window with a diameter of 26 inches is being installed over a door. the wall with the dor and window is 18 feet high.
1 answer:
You might be interested in
Answer:
48.3 cm²
Step-by-step explanation:
The area (A) of the yellow region = area of square - area of quarter circle, that is
A = 15² - ( πr² )
= 225 -( × π × 15² )
= 225 - 176.71 ≈ 48.3
Full question attached
Answer:
Option C: because the percent of children compared differ too much
Explanation:
Sample Proportion of students from Montessori = students that participated from Montessori /total number of students assigned to Montessori
=30/54= 0.56
Sample proportion of students from other schools = students that participated I'm the study /total number of students assigned to other schools
=25/112
=0.22
We observe that there is a large difference(0.56-0.22) between the two sample proportions hence the bias
