Unit Date
e actual
Alyssa Cantrell
d in the
ACD?
11. Cabins B and G are located on the shore of a circular lake, and cabin L is located near the lake. Point D is a dock
on the lake shore and is collinear
with cabins B and L. The road between cabins G and Lis 5 miles long and is tangent
to the lake. The path between cabin L and dock Dis 3 miles long. What is the length, in miles, from cabin B to cabin L?
SHOW YOUR WORK!
A) 3.2 miles
313+x)=515)
B) 6.2 miles
9+3X=25
5) 5.3 miles
3x=16
DX 8.3 miles
X-5.3 mi.

The survey of study habits and attitudes (ssha) is a psychological test that measures the motivation, attitude toward school, and study habits of students, scores range from 0 to 200. the mean score for u. s. college students is about 115, and the standard deviation is about 30. a teacher who suspects that older students have better attitudes toward school gives the ssha to 55 students who are at least 30 years of age. the mean score is 113.2. assume the population standard deviation is 30 for older students what is the margin of error for a 95% confidence interval for the population mean score for a. older students? b. compute the 95% confidence interval for the population mean score for older students. c. compute the 99% confidence interval for the population mean score for older students. d. compute the 88% confidence interval for the population mean score for older students.