To answer this problem you may substitute "words" for "symbols" - e.g. "x- bar" for or "mu" for .What price do farmers get for their watermelon crops? In the third week of July, a random sample of 36 farming regions gave a sample mean of x = $6.88 per 100 pounds of watermelon. Assume that o is known to be $1.96 per 100 pounds.(a) Find a 90% confidence interval for the population mean price (per 100 pounds) that farmers in this region get for their watermelon crop. What is the margin of error? (Round your answers to two decimal places.) FOR THIS CONFIDENCE INTERVAL: 1. What is the point estimate? (indicate symbol and value)? $ 2. What distribution will be used?(standard AUSTINEJR normal z or student's t) value? 3. What is the critical 4. What is the standard error of the USTINER 5. What is the maximal sampling distribution? $ margin of error(E)? $ interval indicating the population parameter: ($ 6. State the confidence < $ (b) Find the sample size necessary for a 90% confidence level with AUSTINEJR maximal error of estimate E = 0.27 for the mean price per 100 pounds of watermelon. (Round up to the nearest whole number.) AUSTINEJR AUSTINEJR AUSTINEJR AUSTINEJR AUSTINEJR AUSTINEOR

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