Solution) Let x be the weight of a randomly selected Pontiac Vible. Pontiac Vibles weigh on average 3000 lbs.
Question: Let x be the weight of a randomly selected Pontiac Vible. Pontiac Vibles weigh on average 3000 lbs. They have a standard deviation of 50 lbs. An assembly plant makes 2500 vibes a day. Let xbar be the sample mean weight of these 2500 cars.
What is the mean, standard deviation and distribution of xbar (3 part question)
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