a. A random sample of 180 students from a private kindergarten produces mean weight of 46.3kg with sample standard.deviation 4.7. Construct a 95% confidence intervalfor the mean weights of all students at the kindergarten.b. A random sample of older people were asked "Would you like to turn back to younger years if you were given the opportunity for a second time?" Of the 250 peoplesurveyed, 195 of them said that they would do so. Find the value of p-hat and q-hat.Answer up to 2 decimal places. Show your works.

Data given (a) n=sample size=180, sample mean x̄=46.3, sample standard deviations s=4.7

Answered: a. A random sample of 180 students from…

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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