A one-sample  z-test for a population proportion p will be conducted. Which of the following conditions checks that the sampling distribution of the sample proportion is approximately normal?   The sample is selected at random. np0≥10 and n(1−p0)≥10 for sample size n. The sample size is less than or equal to 10 percent of the population size.     I only A II only B III only C I and II only D I, II, and III

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A one-sample  z-test for a population proportion p will be conducted. Which of the following conditions checks that the sampling distribution of the sample proportion is approximately normal?

 

  1. The sample is selected at random.
  2. np0≥10 and n(1−p0)≥10 for sample size n.
  3. The sample size is less than or equal to 10 percent of the population size.
 
 
  • I only

    A
  • II only

    B
  • III only

    C
  • I and II only

    D
  • I, II, and III

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