You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 12 apartments advertised in...

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 12 apartments advertised in the local newspaper is $1500. Assume that the standard deviation is $230. How large a sample of one-bedroom apartments would be needed to estimate the mean μ within ±$60 with 95% confidence? (Round your answer up to the next whole number