Question 12 (1 point) ' . It is reported in USA Today that the average flight cost nationwide is $431.96. You have never paid close to that amount and you want to perform a hypothesis test that the true average is actually less than $431.96. The hypotheses for this situation are as follows: Null Hypothesis: u a 431.96, Alternative Hypothesis: u s 431.96. You take a random sample of national flight cost information and perform a one sample mean hypothesis test. You observe a p-value of 0.8543. What is the appropriat conclusion? Conclude at the 5% level of significance. ' O 1) We did not find enough evidence to say a significant difference exists between the true average flight cost and $431.96. 0 2) The true average flight cost is signicantly less than $431.96. 0 3) We did not find enough evidence to say the true average flight cost is greater than $431.96. 0 4) The true average flight cost is greater than or equal to $431.96. 0 5) We did not find enough evidence to say the true average flight cost is less than $431.96