Would you say that most people can be trusted? A random sample of n1 = 250 people ages 18-25 showed that n = 45 said yes. Another random sample of n2 = 280 people ages 35-45 showed that r2 = 71 said yes. a) (i) Find 95% confidence interval for på – p2- Conduct hypothesis test at 5% significance level, do you have enough evidence to conclude that the population proportion of trusting people is higher for the older group? (ii)

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a)
Would you say that most people can be trusted? A random sample of n, = 250 people ages
18-25 showed that r = 45 said yes. Another random sample of n2 = 280 people ages
35-45 showed that r2 = 71 said yes.
(i)
Find 95% confidence interval for p1 – P2-
Conduct hypothesis test at 5% significance level, do you have enough evidence to
conclude that the population proportion of trusting people is higher for the older
group?
(ii)
Transcribed Image Text:a) Would you say that most people can be trusted? A random sample of n, = 250 people ages 18-25 showed that r = 45 said yes. Another random sample of n2 = 280 people ages 35-45 showed that r2 = 71 said yes. (i) Find 95% confidence interval for p1 – P2- Conduct hypothesis test at 5% significance level, do you have enough evidence to conclude that the population proportion of trusting people is higher for the older group? (ii)
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