A random sample of  30 binomials trials resulted in 12 successes. Test the claim that the population proportion of successes does not equal 0.50 . Use a level of significance of 0.05.  Can a normal distribution be used for the pˆ distribution? Explain. State the hypotheses. Compute pˆand the corresponding standardized sample test statistic. Find the P-value of the test statistic. Do you reject or fail to reject H0Explain.

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A random sample of  30 binomials trials resulted in 12 successes. Test the claim that the population proportion of successes does not equal 0.50 . Use a level of significance of 0.05. 

  1. Can a normal distribution be used for the pˆ distribution? Explain.

  2. State the hypotheses.

  3. Compute pˆand the corresponding standardized sample test statistic.

  4. Find the P-value of the test statistic.

  5. Do you reject or fail to reject H0Explain.

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