Statistics

posted by .

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR Polls found that 65.9% of adult women favored stricter gun laws.

Create a 90% confidence interval for the true proportion of adult women who favored stricter gun laws. Find the upper and lower bound. Show your results as percents correct to tenths of a percent.

Please help i'm very confused

  • Statistics -

    phat = .659

    qhat = 1-phat

    qhat = 1-.659 = .341


    Error = z/2* sqrt( phat *qhat/n)

    E = 1.645 * sqrt(.659 * .341/1026))

    E = 0.0243

    Phat -E <p< phat + E

    (.659-.0243, .659+ .0243)

    (.6347, .6833) or ( 63.5% , 68.3%)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  2. statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  3. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  4. Statistics p-value

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  5. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  6. Statistics

    Is the p-value to the below question 0.4995?
  7. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  8. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  9. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …
  10. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of …

More Similar Questions