Mathematics, 15.04.2021 19:20 delanieloya
A researcher for a travel company is looking into the prices people are willing to pay for airplane tickets. The company has communicated that the overall population mean is $265 with a standard deviation of $40.93. The researcher has a sample of 130 ticket purchases from one location. By the central limit theorem, which interval can the researcher be 95% certain that the sample mean will fall within?
A.
$261.41 and $268.59
B.
$257.82 and $272.18
C.
$264.37 and $265.63
D.
$254.23 and $275.77
Answers: 3
Mathematics, 21.06.2019 16:10
20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm
Answers: 1
Mathematics, 22.06.2019 02:10
Iknow the answer but the calculator doesn't seem to give the right one
Answers: 1
A researcher for a travel company is looking into the prices people are willing to pay for airplane...
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