Recent content by amrhamada

  1. A

    Sampling distribution of the sample proportion.

    A random sample of 20 students is selected. What is the probability that the sample proportion exceeds 75%, i.e., more than 15 students (out of 20 selected) will agree that that the course is interesting? You may leave your answer as, for example, 1 − 0.88. (As a standard error use 0.8. Also...