Question
Bobo's Bad Burgers fast food claims you will be in and out in 5 minutes. To test this claim, time in minutes from entering Bobo's
Bobo's Bad Burgers fast food claims you will be in and out in 5 minutes. To test this claim, time in minutes from entering Bobo's to receiving the order was secretly recorded. The results are documented in DATA below.At a 95% confidence level, does the confidence interval support Bobo's claim?
DATA:
Wait Time (minutes) |
1.1 |
6.8 |
1.9 |
0.1 |
0.4 |
3.1 |
1.9 |
2.0 |
5.1 |
1.3 |
3.6 |
3.6 |
2.7 |
1.9 |
7.5 |
3.8 |
2.3 |
9.2 |
3.0 |
3.3 |
1.8 |
4.9 |
6.0 |
4.1 |
1.8 |
5.7 |
6.7 |
2.4 |
3.3 |
8.6 |
POSSIBLE ANSWER OPTIONS:
Question 5 options:
1 | None of the answers match my calculation. |
2 | The confidence limits (1.62,3.21) reject the claim of 5 minutes. 5 is greater than the upper confidence limit. Performance at Bobo's is incredible. |
3 | The confidence limits (4.77,6.58) support the claim of 5 minutes. 5 falls inbetween the confidence limits. Bobo's performance meets the expectation. |
4 | The confidence limits (6.79,8.56) reject the claim of 5 minutes. 5 is less than the lower confidence limit. Audit of Bobo's procedures and employees is recommended. |
5 | The confidence limits (2.77, 4.54) reject the claim of 5 minutes. 5 is greater than the upper confidence limit. Bobo's performance is exemplary. |
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