DEL WebAssign X Final Exam (ADA) - M X Categorize these mea X ; Sketch the area under X , Consider the data set X * HW 2.docx : MATH 12 x C Consider The Data Se X https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=28973218&tags=autosave#question4261076_3 A nominal O ordinal O interval O ratio 10. [0/6.25 Points] DETAILS PREVIOUS ANSWERS BBBASICSTAT8ACC 8.1.018.MI. MY NOTES ASK YOUR TEACH What price do farmers get for their watermelon crops? In the third week of July, a random sample of 44 farming regions gave a sample mean of x = $6.88 per 100 pounds of watermelon. Assume that a is kno 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 (in dollars). What is the margin of error (in dollars)? (For ead answer, enter a number. Round your answers to two decimal places.) lower limit $ 7.36 X upper limit $ margin of error Enter a number. (b) Find the sample size necessary for a 90% confidence level with maximal error of estimate E = 0.27 for the mean price per 100 pounds of watermelon. (Enter a number. Round up to the nearest who number.) farming regions (c) A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop (in dollars). What is the margin of error (in dollars)? Hint: 1 ton is 200 pounds. (For each answer, enter a number. Round your answers to two decimal places.) lower limit $1 upper limit $ margin of error $ Submit