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)
Rounded to the nearest whole number, it seems as if she will lose 40 pencils at this rate.
2/3 = .66
60x.66=39.6
39.6 - 40
Hope this was helpful!
Answer: yes
Step-by-step explanation:
yes
For the rate of 25 pieces and hour it will take 7 hours.
500 - 325 = 175
175 ÷ 25 = 7
7 hours