20 10 what should I do with the multiple-choice question 5 of quality inspection science mathematics in Fuzhou senior three graduating class?
The probability that this vaccine can't prevent influenza A (H 1N 1) is P (X 2 >: = 6.635) ≈ 0.01,which means it is a small probability event. Because this vaccine can't prevent influenza A (H 1N 1), the probability is 0.0 1, which means that 1% people think it can't work, so there is 99% confidence that "this.