Consider the following situation. For the past 12 weeks, Senator Blue has receiv

Question

Consider the following situation. For the past 12 weeks, Senator Blue has received 26% of the vote in all polls for the upcoming election. In a new poll of 1400 randomly chosen likely voters, 392 said they would vote for Senator Blue in the election. At (alpha = 0.1), is there enough evidence to conclude that the proportion in favor of Blue is now more than 26%? The right-tailed critical value is 1.28. The test statistic is 1.71. Can we conclude that the proportion in favor of Blue is now more than 26%? Yes No

Explanation / Answer

since the test statisc value 1.71 is greater than the critical value 1.28, we reject the null hypothesis.

So, we can conclude that the proportion is more that 26%.

Ans: YES.

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