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A poll conducted among n = 600 TV viewers has shown that X = 219 of them remain indifferent to sports events. 1. At the
A poll conducted among n = 600 TV viewers has shown that X = 219 of them remain indifferent to sports events.
1. At the significance level, = 0.05, is there enough evidence that the population proportion of those viewers differs from p = 0.4?
2. At the significance level, = 0.05, is there enough evidence to conclude that the population propor- tion of indifferent viewers is below p = 0.4?
Show critical value (or values) and state the rejection rule in each case
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