A researcher wants to test if elementary school children spend less than 30 minutes per day on

A researcher wants to test if elementary school children spend less than 30 minutes per day on

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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 be that the population mean is:

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equal to 30 minutes

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not equal to 30 minutes

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less than or equal to 30 minutes

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less than 30 minutes
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