Reports say that the mean birth weight of babies of European heritage is 3.5 kg. Marta wants to perform a hypothesis test to see if this holds true in her nation. She takes a random sample of babies and observes a mean birthweight of bar x-3.43 kg Here's Marta's null hypothesis: HO: The mean birth weight in this nation is... What is an appropriate way for Marta to finish her null hypothesis O equal to 3.43 kg O not equal to 3.43 kg O equal to 3.5 kg not equal to 3.5 kg

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