Construct and interpret a 95% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) 5.20 5.02 5.43 5.72 4.59 4.76 4.99 4.74 4.56 4.80 5.19 5.69

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shelbellingswo

15.06.2021

Mathematics

As James has decided to start saving for a cruise over the summer.

If his money is currently in the local bank, modeled by the function s(x)=102

The function for the extra money he earn = a(x)=8(x+2) , where x is measured in hours.

Now, for the total savings he can combine both the functions, to get a new function f(x) as

$f(x)=s(x)+a(x)\\=102+8(x+2)\\=102+8x+16..\text{[multiply 8 in the parenthesis and simplify]}\\=8x+118.........\text{[add corresponding terms]}\\\Rightarrow\ f(x)=8x+118$

Thus, the simplified function f(x)=8x+118

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Construct and interpret a 95​% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. ​(Use ascending order. Round to two decimal places as​ needed.) 5.20 5.02 5.43 5.72 4.59 4.76 4.99 4.74 4.56 4.80 5.19 5.69