Mathematics, 05.05.2021 19:00 aliami0306oyaj0n

#1. The average annual income in Florida is -$49,000. Assume the standard deviation is $10,000. If we take a sample of 30 people, what is mean of the sampling distribution? #2. The average annual income in Florida is -$49,000. Assume the standard deviation is $10,000. If we take a sample of 30 people, what is standard deviation of the sampling distribution?

#3. The average annual income in Florida is -$49,000. Assume the standard deviation is $10,000. If we take a sample of 30 people, what is the probability that the average of their income will be between $50,000 and 100,000?

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