local news In The publisher for a local newspaper believed that over half of its

Question

local news In The publisher for a local newspaper believed that over half of its readers wanted more local news in a random sample of 1600 readers, 52% wanted more local news. At the 1% level of significance, is the publisher's belief correct? After constructing the confidence interval for the true population proportion, you believe that the interval is useless because it is too wide. You could correct this sthe pubsonr problem by I Increasing the population standard deviation. Il. Increasing the sample size IlI Decreasing the level of confidence

Explanation / Answer

Increasing the population standard deviation would further increase the width. So, we can correct the problem by increasing the sample size or decresing the level of confidence.

II and III are the correct answers.

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