Preparing to Estimate a Population Proportion

Question 1

Identify the z* critical value for constructing a confidence interval for one proportion using these confidence levels. You can reference the t distribution table to answer this question.

Revolt · Accepted Answer

1.645; 1.960; 2.576

Question 2

Question 22

Revolt · Accepted Answer

1.960

Question 3

Question 23

Revolt · Accepted Answer

2.576

Question 4

Question 24

Revolt · Accepted Answer

1.88

Question 5

108 plus-or-minus 1.645 StartRoot StartFraction 108 (1 minus 108) Over 240 EndFraction EndRoot 1.645 plus-or-minus 108 StartRoot StartFraction 0.5 (1 minus 0.5) Over 240 EndFraction EndRoot 0.45 plus-or-minus 1.645 StartRoot StartFraction 0.45 (1 minus 0.45) Over 240 EndFraction EndRoot 0.45 plus-or-minus 108 StartRoot StartFraction 0.5 (1 minus 0.5) Over 1.645 EndFraction EndRoot

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/48a9ae1867ad14fdfb235bba60e46e79.png

Question 6

Interpret this interval.

Revolt · Accepted Answer

We are 90% confident that the interval from 0.397 to 0.503 captures p = the true proportion of all US doctors who are satisfied with the current state of US health care.

Preparing to Estimate a Population Proportion Answers

More from this Course

TRY EDGENUITY HACKS