Answer:
for every 2 seniors there are 3 juniors or 2:3
Answer:
2.9
Step-by-step explanation:
It just is
Answer:
The degrees of freedom are given by:
And replaicing we got:
The 95% confidence interval would be between 26.9 and 31.1
Step-by-step explanation:
Information given
represent the sample mean
population mean
s represent the sample standard deviation
represent the margin of error
n represent the sample size
Solution
The confidence interval for the mean is given by the following formula:
(1)
And this formula is equivalent to:
And replaicing we got:
The 95% confidence interval would be between 26.9 and 31.1
Answer:
30
Step-by-step explanation:
4 times as many as 25 is 100