You are testing the null hypothesis p = 0.4 and will reject this hypothesis if...
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You are testing the null hypothesis p = 0.4 and will reject this hypothesis if z is less than -1.97. (Give your answers correct to four decimal places.) (a) If the null hypothesis is true and you observe z equal to -2.33, which of the following will you do? correctly fail to reject Ho correctly reject Ho commit a type I error commit a type II error (b) What is the significance level for this test? (c) What is the p-value for z = -2.33?
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