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Asked by BrigadierSeaUrchin2810 on coursehero.com

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 below. At a 95% confidence level, does the confidence interval support Bobo's claim?

Wait Time (minutes) | |

5.1 | 8.1 |

10.8 | 5.5 |

6.2 | 12.3 |

4.3 | 6.4 |

5.7 | 7.2 |

7.3 | 7.6 |

4.7 | 9.2 |

7.5 | 8.9 |

8.7 | 6.9 |

5.5 | 4.8 |

8.7 | 9.4 |

7.7 | 11.7 |

6.5 | 5.6 |

6.2 | 7.1 |

11.4 | 13.4 |

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. |

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. |

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. |

None of the answers match my calculations. |

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. |

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Answered by RheaDawnIlaga on coursehero.com

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