To answer this problem you may substitute "words" for "symbols" - e.g. "x-bar" for ♬ or "mu" for μ.What price do farmers get for their watermeloncrops? In the third week of July, a random sample of 36 farming regionsgave a sample mean of x = $6.88 per 100 pounds of watermelon. Assumethat o is known to be $1.96 per 100 pounds.(a) Find a 90% confidenceinterval for the population mean price (per 100 pounds) that farmers inthis region get for their watermelon crop. What is the margin of error?(Round your answers to two decimal places.)FOR THIS CONFIDENCEURINTERVAL: 1. What is the point estimate? (indicate symbol and value)? $2. What distribution will be used?(standardAUSTINEJRAUSTINAUSTINEJR3. What is the critical4. What is the standard error of the USTINEJR5. What is the maximalTINEJR6. State the confidencenormal z or student's t)value?sampling distribution? $margin of error(E)? $AUSTINEJRinterval indicating the population parameter: ($< $(b) Find the sample size necessary for a 90% confidence level with AUSTINEJRmaximal error of estimate E= 0.27 for the mean price per 100 pounds ofwatermelon. (Round up to the nearest whole number.)AUSTINEJR<AUSTINEJRAUSTINEJRAUSTINEJRAUSTINEJRAUSTINEJR

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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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For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. Santa Fe black-on-white is a type of pottery commonly found at archaeological excavations at a certain monument. At one excavation site a sample of 602 potsherds was found, of which 370 were identified as Santa Fe black-on-white. (a) Let p represent the proportion of Santa Fe black-on-white potsherds at the excavation site. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 95% confidence interval for p. (Round your answers to three decimal places.) lower limit upper limit Give a brief statement of the meaning of the confidence interval. 95% of all confidence intervals would include the true proportion of potsherds. 5% of all confidence intervals would include the true proportion of potsherds. 95% of the confidence intervals created using this method would include the true proportion of potsherds. 5% of the confidence intervals…
Calculate the Z value if 10% of all values of Z are larger
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