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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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