a random sample of eleven people, the mean commute time to work was 27.8 minutes and the standard deviation was 4.5 minutes. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. Cl: ( E = ta[2 * Jn E = Za[2 * Jn

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My courses / 20F MATH231-WHA / Final Exam/Test Three / FINAL EXAM
Ma random sample of eleven people, the mean commute time to work was 27.8 minutes and the standard deviation was 4.5 minutes.
Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval
for the population mean.
of
Cl: (
E = ta/2
Vn
E = Za/2 * Jn
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Transcribed Image Text:My courses / 20F MATH231-WHA / Final Exam/Test Three / FINAL EXAM Ma random sample of eleven people, the mean commute time to work was 27.8 minutes and the standard deviation was 4.5 minutes. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 95% confidence interval for the population mean. of Cl: ( E = ta/2 Vn E = Za/2 * Jn Next page s page FINAL EXAM SCRATCH WORK Jump to... nal Review avigation 15 16 17 18 19 20 21 10 11 12 13 14 4. 5. 9. 7. 8. attempt ... MacBook Air SI
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