Explore BrainMass

Explore BrainMass

    Confidence Interval

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

    1.Compute a 95% confidence interval for the mean saline of the tears. You select a random sample of 100 tear drops. The sample has an average salt concentration of 0.1 with a standard deviation of 0.01.

    2. In class a poll was conducted that I will get 60% of my work correct.
    To be 95% confident that I am within 2% of the vote I will actually receive, how many voters should have been

    © BrainMass Inc. brainmass.com June 4, 2020, 2:01 am ad1c9bdddf

    Solution Preview

    Dear student, please refer to the attachment for the solutions. Please send me a message in case of any difficulty in understanding any of the solutions. Thank You.

    The confidence interval for the mean is ...

    Solution Summary

    The expert examines confidence interval conducted for mean tears.