Answer:
154
Step-by-step explanation:
160-6=154
Answer:
A: (t + 3)^2
Step-by-step explanation:
Hopefully this helps!
Answer:
D
Step-by-step explanation:
I think its D because you multiple the number that is out of the the bracket with the numerators..
so its
a^4/b^12
Using the t-distribution, the 95% confidence interval for the average number of hours of sleep for working college students is between 6.03 and 6.97 hours.
<h3>What is a t-distribution confidence interval?</h3>
The confidence interval is:

In which:
is the sample mean.
- s is the standard deviation for the sample.
For this problem, the parameters are given as follows:

Hence the bounds of the interval are:
The 95% confidence interval for the average number of hours of sleep for working college students is between 6.03 and 6.97 hours.
More can be learned about the t-distribution at brainly.com/question/16162795
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