Answer: ($3.532, $4.166)
Step-by-step explanation:
Given : Significance level : 
Critical value : 
Sample size : n= 157
Sample mean : 
Standard deviation : 
The confidence interval for population mean is given by :_


Hence, the 0% confidence interval for the average tip given at this restaurant = ($3.532, $4.166)
5+0=5 is the property of zero
The property of zero is when u add 0 to n so that n stays n
X = -1 Is the answer hope you get it right!!!!
Answer:
2.73
Step-by-step explanation:
You round 6 up to get 2.73
Please give brainliest and thank me if it helped
Answer:
tysm
Step-by-step explanation:
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