Answered: Prison Time According to a public…

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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Prison Time According to a public service website, 68.2% of white collar criminals get prison time. A randomly selected sample of 161 white collar criminals revealed that 122 were serving or had served prison time. Using α=0.10, test the conjecture that the proportion of white collar criminals serving prison time differs from 68.2% using a hypothesis test and a confidence interval.

State the hypotheses and identify the claim.

H0: p=0.682

▼not claim

H1: p≠0.682

▼claim

This hypothesis is a ▼two-tailed test.

Critical value(s): -1.65,1.65

z= 2.06

Construct a 90% confidence interval for the population proportion, p. Round the answers to three decimal places.

___________ < p <_____________

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