The president of a university claims that the mean time spent partying by all students at this university is not more than 7 hours per week. A random sample of 40 students taken from this university showed that they spent an average of 9.50 hours partying the previous week with a standard deviation of 2.3 hours. Test at the 2.5% significance level whether the president's claim is true. The president's claim is false. The president's claim is true.

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The president of a university claims that the mean time spent partying by all students at this university is not more than 7
hours per week. A random sample of 40 students taken from this university showed that they spent an average of 9.50
hours partying the previous week with a standard deviation of 2.3 hours. Test at the 2.5% significance level whether the
president's claim is true.
The president's claim is false.
The president's claim is true.
Transcribed Image Text:The president of a university claims that the mean time spent partying by all students at this university is not more than 7 hours per week. A random sample of 40 students taken from this university showed that they spent an average of 9.50 hours partying the previous week with a standard deviation of 2.3 hours. Test at the 2.5% significance level whether the president's claim is true. The president's claim is false. The president's claim is true.
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