Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. The football coach randomly selected ten players and timed how long each player took te perform a certain drill. The times (in minutes) were: 7.1 10.7 9,4 8.6 12.4 7.1 6.6 10.2 10.0 12.3 Determine a 95% confidence interval for the mean time for all players. O 7.95 min < u < 10.93 min O 7.97 min < u < 10.91 min O 7.79 min

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Use the given degree of confidence and sample data to construct a confidence interval
for the population mean u. Assume that the population has a normal distribution.
The football coach randomly selected ten players and timed how long each player took to
perform a certain drill. The times (in minutes) were:
7.1 10.7 9.4 8.6 12.4
7.1 6.6 10.2 10.0 12.3
Determine a 95% confidence interval for the mean time for all players.
7.95 min < u< 10.93 min
O 7.97 min < u < 10.91 min
O 7.79 min <u< 11.09 min
O 7.99 min <u< 10.89 min
Transcribed Image Text:Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution. The football coach randomly selected ten players and timed how long each player took to perform a certain drill. The times (in minutes) were: 7.1 10.7 9.4 8.6 12.4 7.1 6.6 10.2 10.0 12.3 Determine a 95% confidence interval for the mean time for all players. 7.95 min < u< 10.93 min O 7.97 min < u < 10.91 min O 7.79 min <u< 11.09 min O 7.99 min <u< 10.89 min
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