An opinion poll asks a simple random sample of 200 United States immigrants how they view their job prospects. In all, 121 say “good.” Does the poll give

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An opinion poll asks a simple random sample of 200 United States immigrants how they view their job prospects. In all, 121 say “good.” Does the poll give convincing evidence to conclude that more than half of all immigrants think their job prospects are good? If P “the proportion of all immigrants who say their job prospects are good, what are the hypotheses for a test to answer this question.

Given: an opinion poll asks a simple random sample of 200 United States immigrants how they view their job prospects.

Thus sample size = n = 200

x = Number of immigrants who say their job prospects are good = 121

We have to test if the poll give convincing evidence…….


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