Answer:
A
Explanation:
if the level of significance is increased, the interval for the population proportion will become narrower. using α = 0.05, a confidence interval for a population proportion is determine to be 0.15 to 0.35 if the level of interval is decreased
I think the answer is true, but I'm not really sure
Answer:
The answer is C. (The supply of luxury items like jewelry decreases).
Explanation:
