1.Given a sample with p =.43 and n =36.Estimate the population proportion with 99% of confidence level.2.Given a sample with s = 8.5 and n = 21.Estimate the population standard deviation with 90% of confidence level.Given a sample of size n = 15 with x =12.5,s = 2.9.Estimate the population mean with 95% of confidence level.3.%3D%3D4.Given a population proportion p = .85. A sample size with x = 88 and n =100.Test if the population proportion p >.85 at a = 0.01 level of significance.5.Given a population standard deviation o==.42. A sample size n = 16 with s =Test if population o >.42 ata = 0.05 level of significance.

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Answered: 1. Given a sample with p =.43 and n 36.…

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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32. Touch Your Nose With Your Tongue Find the sample size needed to estimate the percentage of adults who can touch their nose with their tongue. Use a margin of error of 2 percentage points and use a confidence level of 90%. a. Assume that p and à are unknown. b. Assume that a previous study showed that 10% of adults can touch their nose with their tongue (based on data from Onedio). c. Does the use of the results from the previous study have much of an effect on the sample size?
find the sample size needed to estimate the percentage of adults who can wiggle their ears. use a margin of error of 4 percentage and use a confidence level of 95%. complete parts (a) and (b) below. b. assume that 21% of adults can wiggle their ears. b. Assume that 21% of adults can wiggle their ears
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The owner of the Gas station wishes to determine the proportion of customers who use credit card. he surveys 100 customers and finds that 70 paid at the pump. Estimate the 99% .confidence interval for the population proportion
10. Suppose we sample 300 UNI students and find the 27 regularly wear a watch. Find a 98% confidence interval for p, the percentage of all UNI students who regularly wear a watch.
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1. Given a sample with p =.43 and n 36. Estimate the population proportion with 99% of confidence level.