Uhh my brains hurts looking at that
Answer:
6.25 or 6 1/4
Step-by-step explanation:
because 50 divided by 8 is 6.25
Answer:
33
Step-by-step explanation:
7x3=21
4x3=12
21+12=33
<span>Francios $19.48 per hour Carissa $14 per hour Garrick $19.04 per hour Arianne $25.71 per hour</span>
Answer:



Step-by-step explanation:
Given

Solving (a): Point estimate of difference of mean
This is calculated as: 


Solving (b): 90% confidence interval
We have:


Confidence level is: 



Calculate 


The z score is:

The endpoints of the confidence level is:






Split


Hence, the 90% confidence interval is:

Solving (c): 95% confidence interval
We have:


Confidence level is: 



Calculate 


The z score is:

The endpoints of the confidence level is:






Split


Hence, the 95% confidence interval is:
