A random sample of size n = 400 was selected from a binomial population with the

Question

A random sample of size n = 400 was selected from a binomial population with the proportion pi =0.2. The number of observed successes in the sample is 96. Which one of the following statements is incorrect? The sample proportion is p = 0.24 The standard error is 0.02 The test statistic is 2.02 P(P > 0.24) = 0.0228 This is a case of a sampling distribution for proportion. Given a normal distribution with the population mu = 100 and the population standard deviation = 12, if you select a sample of X bar = 95 and n = 36. The test statistic is 2.5

Explanation / Answer

Option-3)                                                                                                                                          

Beacause the test statistic is 2 not 2.02                                                                    

                                                                                                                                         

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