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Can you find statistical support in this poll for that statement?
Also included in the aforementioned NBC News/Wall Street Journal poll was the following question. See the note mentioning this statement was asked of only half the 1,000 respondents in the June, 2008 poll.
When it comes to the war in Iraq, which of the following statements comes closer to your point of view?
Statement A: The most responsible thing we can do is find a way to withdraw most of our troops from Iraq by the beginning of 2009.
Statement B: The most responsible thing we can do is to remain in Iraq until the situation in the country is stable.
6/08+**
4/08+
12/07
Statement A/withdraw most troops by 2009----
49
55
57
[278]
Statement B/remain until the situation is stable---
45
40
Not sure
6
5
3
Asked of one-half the respondents (FORM B). +Results shown reflect responses among registered voters.
A notable TV commentator has stated that the proportion of likely voters in June, 2008 who agree with Statement B is more than 50%. Can you find statistical support in this poll for that statement?
What should the cut-off score be for the interviews? (Round to nearest whole number).
The probability that the daily demand at this store is at least one and at most three is:
By using.02 level of significance, carry out a 5-step hypothesis testing procedure to find out if new processes considerably reduced the wait time.
At the .05 significance level, can she conclude that there is a difference in the mean amount of weight loss among the three diets?
Problems on Sampling Variability and Standard Error and Confidence Intervals
Assume that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters will yield a sample proportion in favor of the candidate within 4 percentage points of the actual proportion.
Labor negotiations estimate that 30 percent of all major contract negotiations result in a strike. During the next year, 12 major contracts must be negotiated. Determine the following probabilities.
Researcher asked group of 30 students - 12 of them supported change, 13 of them didn't, and 5 had no opinion. This is not binomial model as?
An experiment was performed to investigate lifetime of a component exposed to high heat. Three different oven types were used at either 550°F or 600°F.
Find the probability that exactly 15 flights arrive on time.
At.01 significance level, is there relationship between job pressure and age?
For a population with a mean of μ = 60 and a standard deviation of σ = 24, find the Z score corresponding to each of the following samples.
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