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It is reported in USA Today that the average flight cost nationwide is $342.59. You have never paid close to that amount and you want to perform a hypothesis test that the true average is actually less than $342.59. What are the appropriate hypotheses for this test?
1) HO: μ ≥ 342.59HA: μ < 342.59
2) HO: μ > 342.59HA: μ ≤ 342.59
3) HO: μ < 342.59HA: μ ≥ 342.59
4) HO: μ = 342.59HA: μ ≠ 342.59
5)HO: μ ≤ 342.59HA: μ > 342.59
Inspect table produced in question 2 above. Comment on relative sensitivity of minimum sample size to actual proportion and to desired half width.
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