Suppose that the true proportion of Americans who save at least 15% of there income is 0.18.▸If p-hat is the sample proportion of Americans surveyed who save at least 15% of their income, from a sample of size 46, find P(0.07

It is given thatPopulation proportion, p = 0.18Sample size, n = 46

Answered: -hat is the sample proportion of…

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…
goneral Sulutin ty%=1sx² 2. 27
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What is the t-value associated with 27 degrees of freedom and 0.5% in the tail? (please round your answer to 3 decimal places)
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