Answer: D) Increase the sample size and decrease the confidence level.
Step-by-step explanation:
A reduced interval width means that the data is more accurate. This can only be achieved if the sample size is increased because a larger sample size is able to capture more of the characteristics of the variables being tested.
A smaller confidence interval will also lead to a reduced interval width because it means that the chances of the prediction being correct have increased.
Answer:
First angle = 117 degrees.
Second angle = 63 degrees.
Step-by-step explanation:
Answer:Yes
Step-by-step explanation:
Yes, that's a true statement. Losing money is worse than gaining it.
Using
sum = (n-2)180
= (15-2)180 = 13×180 = 2340°
