The temperature distribution of city D has a population mean u = 21.3, and standard deviation o = 4.8. You randomly select 12 days and get the temperature for these days. Then you compute the sample mean. What is the maximum sample mean value in the bottom 0.22 x 100% of the sample mean distribution? Note that we're talking about the distribution of the sampling mean. Give your answer to 2 decimal places.

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The temperature distribution of city D has a population mean µ= 21.3, and standard deviation o =
4.8. You randomly select 12 days and get the temperature for these days. Then you compute the
sample mean. What is the maximum sample mean value in the bottom 0.22 x 100% of the sample
mean distribution? Note that we're talking about the distribution of the sampling mean. Give your
answer to 2 decimal places.
Transcribed Image Text:The temperature distribution of city D has a population mean µ= 21.3, and standard deviation o = 4.8. You randomly select 12 days and get the temperature for these days. Then you compute the sample mean. What is the maximum sample mean value in the bottom 0.22 x 100% of the sample mean distribution? Note that we're talking about the distribution of the sampling mean. Give your answer to 2 decimal places.
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