Answer:
2
Step-by-step explanation:
It said it was 2 in edg. Have a great day.
The answer to this question is 5a^2-6a+20+(-175a+102)over(5a^2+6a-9)
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:
3
Step-by-step explanation: