Angles A and B are complementary. Angle A has a measure of 2X - 8. Angle B
1 answer:
You might be interested in
Answer:
The critical value is T = 3.143.
Step-by-step explanation:
The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So
df = 7 - 1 = 6
98% confidence interval
Now, we have to find a value of T, which is found looking at the t table, with 6 degrees of freedom(y-axis) and a confidence level of . So we have T = 3.143.
The critical value is T = 3.143.
If the temperature in frostburg is 18 less than the temperature in coldspot, then the following equation compares the two temperatures:
where are the temperatures in frostburg and coldspot. Since we're given
, we can solve for
: