In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean u is ( ). (Round to two decimal places as needed.) 221 PM 58°F 12/1/2021 search 立

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In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a
t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results.
The 95% confidence interval for the population mean p is
(Round to two decimal places as needed.)
nts
ibrary
2:21 PM
58°F A
12/1/2021
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10/05/17
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44
Transcribed Image Text:In a random sample of five mobile devices, the mean repair cost was $65.00 and the standard deviation was $12.00. Assume the population is normally distributed and use a t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Interpret the results. The 95% confidence interval for the population mean p is (Round to two decimal places as needed.) nts ibrary 2:21 PM 58°F A 12/1/2021 pe here to search 10/05/17 Insert Delete PrtSc F11 F12 FB F9 F10 F6 F7 F5 F3 F4 Backspace Num Lock & %23 7 9 5 6 03 P Hos T Y U Enter + I/ * 00 EA 44
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