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A group of scientists created 150 trials to measure whether electric shock treatment could cure paranoid delusions. Of these trials, 52 were successful. Find the margin of error E that corresponds to a 95% confidence level. The critical value for 95% confidence level is 1.96.

  • Statistics -

    Margin of error = 1.96 * √(pq/n)

    p = 52/150
    q = 1 - p
    n = 150

    Convert fractions to decimals. Substitute decimals into the above equation and solve for margin of error.

    I hope this will help get you started.

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