Answer: 
Step-by-step explanation:
As per given , we have
n = 11

Since population standard deviation is missing, so we use t-test.
Critical t-value for 99% confidence :
[using two-tailed t-value table]
Confidence interval :

Hence, 99% confidence interval for the mean amount of time that students spend in the shower each day.= 
i cant tell you that it is from a test
The answer is 3.6. Hope this helps!
It would be 2m because each ticket is 2 dollars and then you have to multiply it by the number of tickets you are buying M
Answer:
The letter P represents 1/8 on the number line
Step-by-step explanation: