Question

In one trip of the Royal Caribbean cruise ship Freedom of the Seas, 168 of the 698 passengers became ill with Norovirus. At about the same time, 118 of the 455 passengers on the Queen Elizabeth II cruise ship became ill with Norovirus. Treat the sample results as simple random samples from large populations. Test the claim that the rate of Norovirus illness on Freedom of the Seas is less than the rate on the Queen Elizabeth II at the .10 significance level.

The test statistic is:                             [ Select ]                       ["-2.6195", "-0.7168", "-3.1124", "-2.4974", "-1.1267", "-3.2245", "-0.1157", "-1.3444"]      

The range of the P-value is:                             [ Select ]                       ["0.2997", "0.1742", "0.4734", "0.2367", "0.1184", "0.3115"]      

Based on this we:                            [ Select ]                       ["Reject the null hypothesis", "Fail to reject the null hypothesis"]      

Conclusion There                            [ Select ]                       ["does", "does not"]         appear to be enough evidence to support the claim that the rate of Norovirus illness on Freedom of the Seasis less than the rate on the Queen Elizabeth II.

Answer 1

From the given information,

By using calculator,

The test statistic is: -0.7168

The range of the P-value is: 0.2367

Based on this we: Fail to reject the null hypothesis

Conclusion There does not appear to be enough evidence to support the claim that the rate of Norovirus illness on Freedom of the Seasis less than the rate on the Queen Elizabeth II.

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