Mathematics, 15.04.2021 17:50, hanjonez
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 16:00, lidsrays
Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187
Answers: 1
Mathematics, 21.06.2019 19:50, JAXKBOII55951
If the scale factor between two circles is 2x/5y what is the ratio of their areas?
Answers: 3
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