1 answer

We wish to estimate what percent of adult residents in a certain county are parents. Out...

Question:

We wish to estimate what percent of adult residents in a certain county are parents. Out of 200 adult residents sampled, 110
We wish to estimate what percent of adult residents in a certain county are parents. Out of 200 adult residents sampled, 110 had kids. Based on this, construct a 90% confidence interval for the proportion p of adult residents who are parents in this county. Express your answer in tri-inequality form. Give your answers as decimals, to three places. Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places. <p P IF

Answers

DATE:30-07-2020

ANSWER:---------

From the Information. Top Sample size of Adult residents (n)= 200 out of which to has kides that is (X) - 110 The sample of pNow, The Margin of Error can be calculated as- Margin of Error, E=22/2 (1-6 n. E = 1.645x10.55(1-0.55) 200: - 1.645 0.55(0.45Now, the 901. confidence interval for population proportion can be calculated as. ст dla PitE -[0.55 +0.058] oll = [0.55-0.05

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