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QUESTION 10 Fatema wants to determine the mean play time of media clips on her smartphone. A random sample of 25 media clips revealed
QUESTION 10 Fatema wants to determine the mean play time of media clips on her smartphone. A random sample of 25 media clips revealed a mean of 129 minutes and a standard deviation of 38 minutes. Assume that the underlying distribution of the play time is normal. Find the lower confidence limit (LCL) of the 90% confidence interval estimate for the mean play time of media clips on Fatema's smartphone. Round your answer to four decimal places. 116.498
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