Answer:
6
Step-by-step explanation:
24/4 is 6, making there be six hours in a quarter of a day
B.)
I can tell because the sin func starts from the top at 0 (if sin is positive)
Given:
p = 20% = 0.2, sample proportion
n = 5000, sample size.
Confidence level = 95%
The confidence interval is
(p - 1.96k, p + 1.96k)
where

Therefore the 95% confidence interval is
(0.1943, 0.2057) = (19.4%, 20.6%)
Answer: The 95% confidence interval is (19.4%, 20.6%)
C. Action: Divide both sides by 3.