Explore BrainMass

Explore BrainMass

    Statistics: Determination of Sample Size

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A confidence interval was used to estimate the proportion of statistics students that are female. A random sample of 72 statistics students generated the following 90% confidence level ( 0.438, 0.642). Using this information what size sample would be necessary if we wanted to estimate the true proportion to within plus/minus 0.08 using 95% confidence?

    A. 105
    B. 150
    C. 420
    D. 597.

    © BrainMass Inc. brainmass.com June 3, 2020, 6:53 pm ad1c9bdddf
    https://brainmass.com/statistics/confidence-interval/statistics-determination-sample-size-77992

    Solution Summary

    This solution provides step-by-step calculations for determining sample size.

    $2.19

    ADVERTISEMENT