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    Finding probability with a sample size and no SD or mean

    So if I used binomial distribution,would these be the proper inputs? N= 80, π=.06 I'm not sure if this is the proper method because I wouldn't know how to find a probability less than a certain value.
  2. S

    Finding probability with a sample size and no SD or mean

    I have a problem dealing with finding a desired percentage and I'm only familiar with finding these kinds of probabilities with a standard deviation and sample mean present. I believe I need to utilize the Z-scores to find this probability but I'm not sure how to get started. Any guidance to get...