Question
In one trip of the Royal Caribbean cruise ship Freedom of the Seas , 15 of the 306 passengers became ill with Norovirus. At about
In one trip of the Royal Caribbean cruise ship Freedom of the Seas, 15 of the 306 passengers became ill with Norovirus. At about the same time, 15 of the 364 passengers on the Queen Elizabeth II cruise ship became ill with Norovirus. Treat the sample results as simple ranom samples from large populations. Test the claim that the rate of Norovirus illness on Freedom of the Seas is more than the rate on the Queen Elizabeth II at the .05 significance level. Claim: Select an answer p 1p 2 u 1 u 2 p 1 > p 2 p 1 < p 2 u 1 > u 2 u 1u 2 p 1 = p 2 u 1 < u 2 u 1 u 2 p 1 p 2 u 1 = u 2 p 1 p 2 Incorrect which corresponds to Select an answer H0: p 1p 2 H1: u 1 < u 2 H1: p 1 > p 2 H1: p 1 < p 2 H0: p 1 p 2 H1: u 1 > u 2 H0: p 1 = p 2 H1: p 1p 2 H1: u 1u 2 H0: u 1 u 2 Incorrect Opposite: Select an answer u 1 < u 2 p 1 p 2 p 1 = p 2 u 1 u 2 p 1 < p 2 u 1 u 2 u 1 = u 2 u 1 > u 2 u 1 u 2 p 1 p 2 p 1 p 2 p 1 > p 2 Correct which corresponds to Select an answer H0: u 1 > u 2 H0: p 1 = p 2 H1: p 1 < p 2 H1: u 1 = u 2 H0: p 1 p 2 H1: p 1p 2 H0: u 1u 2 H0: p 1p 2 H1: p 1 > p 2 H1: u 1 <= u 2 H1: u 1 u 2 Incorrect The test is: Select an answer two-tailed left-tailed right-tailed Incorrect The test statistic is: zz = (to 2 decimals) The p-value is: (to 4 decimals) Based on this we: Select an answer Accept the null hypothesis Cannot determine anything Fail to reject the null hypothesis Reject the null hypothesis Incorrect Conclusion There Select an answer does does not Correct appear to be enough evidence to support the claim that the rate of Norovirus illness on Freedom of the Seas is more than the rate on the Queen Elizabeth II.
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