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Question 14 10 Points A researcher wishes to estimate within $300 the true average amount of money a country spends on road repairs each year.

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Question 14 10 Points A researcher wishes to estimate within $300 the true average amount of money a country spends on road repairs each year. If she wants to be 90% confident, how large a sample is necessary? The standard deviation is known to be $900. Use the editor to format your

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