What price do farmers get for their watermelon crops? In the third week of July, a random sample of 45 farming regions gave a sample mean of x = $6.54 per 100 pounds of watermelon. Assume that σ is known to be $2.00 per 100 pounds.(a) Find a 91% 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.)lower limit $ upper limit $ margin of error $ (b) Find the minimum sample size necessary for a 91% confidence level with maximal error of estimate E = 0.25 for the mean price per 100 pounds of watermelon. (Round your answer to a whole number.) farming regions(c) A farm brings 12 tons of watermelon to market. Find a 91% confidence interval for the population mean cash value of this crop. What is the margin of error? Hint: 1 ton is 2000 pounds. (Round your answers to the nearest dollar.)lower limit $ upper limit $ margin of error $

From provided information, random sample of 45 farming region gave a sample mean of x̅ =6.45 per 100…

Answered: (a) Find a 91% confidence interval for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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What price do farmers get for their watermelon crops? In the third week of July, a random sample of 45 farming regions gave a sample mean of x = $6.54 per 100 pounds of watermelon. Assume that σ is known to be $2.00 per 100 pounds.

(a) Find a 91% 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.)

lower limit	$
upper limit	$
margin of error	$

(b) Find the minimum sample size necessary for a 91% confidence level with maximal error of estimate E = 0.25 for the mean price per 100 pounds of watermelon. (Round your answer to a whole number.)
farming regions

(c) A farm brings 12 tons of watermelon to market. Find a 91% confidence interval for the population mean cash value of this crop. What is the margin of error? Hint: 1 ton is 2000 pounds. (Round your answers to the nearest dollar.)

lower limit	$
upper limit	$
margin of error	$

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