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Appropriate null and alternative hypotheses

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For each of the following statements, state the population parameter of interest, state the appropriate null and alternative hypotheses and indicate whether the appropriate test will be a two-tailed, a left tailed or a right tailed test.i. The average age a person registers to vote in Australia is greater than 20 years.

ii. The majority of students in a particular university course who attend lectures has changed from 75%, since lecture recordings have become freely available to students.

iii. A typical high school student in Melbourne spends more than $50 a week on mobile phone calls

Reference no: EM132522513

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