36 because NQ is 18 and the tic mark means that each half is equal to each other, and 18+18=36 :D
Answer: look at the attached image
Step-by-step explanation:
<span>Answer: c
Explanation:-
Given:- Actual height of tower is 1450.
Model height of tower is 24.
To find the ratio of height we divide it (24/1450)
hence the answer is c 12:725</span>
Answer:
4. quadratic
Step-by-step explanation:
The 99% confidence interval for the true mean is given by:

where:

is the sample mean = 69.7

is the standard deviation = 2.8

is the test statistics = 2.58 for for 99% confidentce interval.
n is the sample size = 772.
Therefore, the 99% confidence interval is: