She would travel 1,234 miles. 2x14=110 80x55=1120+110= 1234 miles
Answer: (110.22, 125.78)
Step-by-step explanation:
The confidence interval for the population mean is given by :-

Given : Sample size = 463


Significance level : 
Critical value : 
We assume that the population is normally distributed.
Now, the 90% confidence interval for the population mean will be :-

Hence, 99% confidence interval for the mean study time of all first-year students = (110.22, 125.78)
Answer:
43.98
Step-by-step explanation:
pier2
Answer:
the one you have marker is correct
Step-by-step explanation: