A random sample of the price (in $) of a hamburger at 37 restaurants in ACME City found: x = $9.83, s = $1.2. Build a 95% Cl for the population mean price of a hamburger in ACME City. Round all intermediate calculations to two decimals, then construct the Cl and enter like this: (min,max). Do not include the $ sign. Note: if you use a built-in CI command on a calculator/computer, you might get marked wrong due to rounding. Use the formulas given in the text/notes. a. Since n 2 30, O We use s, not o O We use a Z-interval O We use a T-interval O It is not important that hamburger prices be normally distributed b. The Cl is:

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A random sample of the price (in $) of a hamburger at 37 restaurants in ACME City found:
$9.83, s = $1.2.
Build a 95% Cl for the population mean price of a hamburger in ACME City.
Round all intermediate calculations to two decimals, then construct the Cl and enter like this: (min,max).
Do not include the $ sign.
Note: if you use a built-in Cl command on a calculator/computer, you might get marked wrong due to
rounding. Use the formulas given in the text/notes.
a. Since n > 30,
O We use s, not o
O We use a Z-interval
We use a T-interval
O It is not important that hamburger prices be normally distributed
b. The CI is:
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Transcribed Image Text:A random sample of the price (in $) of a hamburger at 37 restaurants in ACME City found: $9.83, s = $1.2. Build a 95% Cl for the population mean price of a hamburger in ACME City. Round all intermediate calculations to two decimals, then construct the Cl and enter like this: (min,max). Do not include the $ sign. Note: if you use a built-in Cl command on a calculator/computer, you might get marked wrong due to rounding. Use the formulas given in the text/notes. a. Since n > 30, O We use s, not o O We use a Z-interval We use a T-interval O It is not important that hamburger prices be normally distributed b. The CI is: Submit Question
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