You are testing the null hypothesis p = 0.4 and will reject this hypothesis if z_ is
Question:
a. If the null hypothesis is true and you observe z equal to - 2.12 which of the following will you do? (1) Correctly fail to reject Ho. (2) Correctly reject Ho. (3) Commit a type I error. (4) Commit a type II error.
b. What is the significance level for this test?
c. What is the p-value for z = - 2.12?
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