Question: The popularity of personal watercraft PWCs also known as jet

The popularity of personal watercraft (PWCs, also known as jet skis) continues to increase, despite the apparent danger associated with their use. In fact, a sample of 54 watercraft accidents reported to the Game and Parks Commission in the state of Nebraska revealed that 85% of them involved PWCs even though only 8% of the motorized boats registered in the state are PWCs. Suppose the national average proportion of watercraft accidents involving PWCs was 78%. Does the watercraft accident rate for PWCs in the state of Nebraska exceed that of the nation as a whole? Use a 0.01 level of significance.
a. Solve using the p-value approach.
b. Solve using the classical approach.

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  • CreatedAugust 28, 2015
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