Answer:
3. AGH= 150
4. CHF= 110
Step-by-step explanation:
3. AGH corresponds to CHF, so they equal the same. AGH = 150
4. BGE is vertical to AGH, so they equal the same AGH = 110. AGH corresponds to CHF, so they equal the same. CHF=110.
Answer:
A sample size of 1380 should be obtained.
Step-by-step explanation:
Minimum sample size:
The minimum sample size is of:

In which z is the critical value, related to the confidence level, E is the desired margin of error,
and
are the proportions.
99% confidence level
So
, z is the value of Z that has a pvalue of
, so
.
Estimates of 22.6% male and 18.1% female from a previous year
This means that
.
Within 3 percentage points, minimum sample size:
This is n for which
. So



Rounding up:
A sample size of 1380 should be obtained.
Answer:
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Step-by-step explanation:
T2-t1=6, t3-t2=-3, t3=-6
t3-t2=-3 becomes
-6-t2=-3
-t2=3
t2=-3
t2-t1=6 becomes
-3-t1=6
-t1=9
t1=-9 degrees