A random sample of 16 pharmacy customers showed the waiting times below in minutes. Find a 90% confidence interval for mu assuming that the sample is from a normal population.

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i could only see the first page. the other pages were blurry. ; -;

x hot dogs for 2$, y drinks for 3$. 29 items and total 70

2x+3y=70

x+y=29

if x=17and y=12

2(17)+3(12)=70

34+36=70

25

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what? that isnt a question

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answer: (1,3) (3,-1) (5,-5) ?

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