A sample of 100 mortgages approved during the current year showed that 31 were issued to a single-earner family or individual. The historical percentage is 25 percent. At the .05 level of significance in a right-tailed test, has the percentage of single-earner or individual mortgages risen? (a-1) H0: π ≤ .25 versus H1: π > .25. Choose the right option.  Reject H0 if zcalc > 1.645 Reject H0 if zcalc < 1.645  a b (a-2) Calculate the test statistic. (Round your answer to 4 decimal places.)Test statistic

Q: It T is an unbiased estimator for 0, show that T² is a biased estimator for 8.

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Q: The proportion p of residents in a community who recycle has traditionally been 70%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 60% . A policy…

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 60% . A policy…

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 70%. A policy maker…

A:

Q: The proportion p of residents in a community who recycle has traditionally been 70% . A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 70%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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Q: The proportion p of residents in a community who recycle has traditionally been 60%. A policy maker…

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