5. A normal probability plot of the n = 26 observations on escape time of offshore oil workers shows a substantial linear pattern; the sample mean and sample standard deviation are 370.69 and 24.36, respectively. 5.1. Calculate an upper confidence bound for population mean escape time using a confidence level of 95%.

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5. A normal probability plot of the n =
oil workers shows a substantial linear pattern; the sample mean and sample
standard deviation are 370.69 and 24.36, respectively.
26 observations on escape time of offshore
5.1. Calculate an upper confidence bound for population mean escape time
using a confidence level of 95%.
5.2. Calculate an upper prediction bound for the escape time of a single ad-
ditional worker using a prediction level of 95%. How does this bound
compare with the confidence bound of part (a)?
Transcribed Image Text:5. A normal probability plot of the n = oil workers shows a substantial linear pattern; the sample mean and sample standard deviation are 370.69 and 24.36, respectively. 26 observations on escape time of offshore 5.1. Calculate an upper confidence bound for population mean escape time using a confidence level of 95%. 5.2. Calculate an upper prediction bound for the escape time of a single ad- ditional worker using a prediction level of 95%. How does this bound compare with the confidence bound of part (a)?
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