Ask Question
17 February, 08:30

Question 1. use the above survey results to construct a 95% confidence interval for the proportion p of all ohio state university female students who would be willing to walk somewhere after dark that they would normally not go if they had a cell phone.

+4
Answers (1)
  1. 17 February, 10:56
    0
    Za/2 = invnorm (.975,0,1) = 1.96

    confidence interval:

    .42 + / - 1.96*square root of ((.42) (1-.42) / 305)

    .42 + / -.05539

    (.42 -.05539,.42 +.05539

    (.36461,.47539)

    Lower bound:.365 (rounded to 3 decimals)

    Upper bound:.475 (rounded to 3 decimals)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Question 1. use the above survey results to construct a 95% confidence interval for the proportion p of all ohio state university female ...” in 📘 Business if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers