What price do farmers get for their strawberry crops? In the third week of April, a random sample of 31 farms gave a sample mean of $67.00 per 10 pounds of strawberries. Assume that o is known to be $1.68 per 10 pounds. Find a 95% confidence interval for the population mean price (per 10 pounds) that farmers get for their strawberry crop (in dollars). ($66.45, $67.55) ($66.22, $67.78) ($66.50, $67.50) ($66.41, $67.59)