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A researcher wants to test if elementary school children spend less than 30 minutes per day on homework. The alternative hypothesis for this example will

A researcher wants to test if elementary school children spend less than 30 minutes per day on homework. The alternative hypothesis for this example will be that the population mean is:

less than30 minutes
notequal to 30 minutes
equal to 30 minutes
less than orequal to 30 minutes

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