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From telephone interviews with 980 teenagers, it was found that 765 of those teenagers supported legalization of marijuana. Does this survey substantiate that more than 75% of the teenage population are in favour of legalizing marijuana? Use significance level a = 0.05. State all assumptions. Construct a 95% confidence interval to estimate the true population proportion of teenagers supporting the legalization of marijuana.

From telephone interviews with 980 teenagers, it was found that 765 of those teenagers supported legalization of marijuana. Does this survey substantiate that more than 75% of the teenage population are in favour of legalizing marijuana? Use significance level a = 0.05. State all assumptions. Construct a 95% confidence interval to estimate the true population proportion of teenagers supporting the legalization of marijuana.

MATLAB: An Introduction with Applications
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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from 100? State all assumptions and test the appropriate hypotheses using a = 0.05. b) Construct a 95% confidence interval for the population mean reading. 3. From telephone interviews with 980 teenagers, it was found that 765 of those teenagers supported legalization of marijuana. a) Does this survey substantiate that more than 75% of the teenage population are in favour of legalizing marijuana? Use significance level a = 9.05. State all assumptions. h) Construct a 95% confidence interval to estimate the true population proportion of teenagers supporting the legalization of marijuana. 4. The burning time (in minutes) of heaters used in the protection of orchards from frost is measured for random samples of two different brands, A and B, yielding the following results: Hores Brand Sample Size Mean Standard deviation 625 A B 580 Ama 2022-08-20 Locked Notes An 14 12 - 0, 45 35 MacBook Air
Transcribed Image Text:from 100? State all assumptions and test the appropriate hypotheses using a = 0.05. b) Construct a 95% confidence interval for the population mean reading. 3. From telephone interviews with 980 teenagers, it was found that 765 of those teenagers supported legalization of marijuana. a) Does this survey substantiate that more than 75% of the teenage population are in favour of legalizing marijuana? Use significance level a = 9.05. State all assumptions. h) Construct a 95% confidence interval to estimate the true population proportion of teenagers supporting the legalization of marijuana. 4. The burning time (in minutes) of heaters used in the protection of orchards from frost is measured for random samples of two different brands, A and B, yielding the following results: Hores Brand Sample Size Mean Standard deviation 625 A B 580 Ama 2022-08-20 Locked Notes An 14 12 - 0, 45 35 MacBook Air
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