In a supply chains management class, a practice exam posed a question as followed, “If order cost increases how does it affect order quantity?” With answers A. Increases B. Decreases C. No affect D. None of the above. It appears to be C, no affect, but I am troubled in finding the reasoning why.

In a supply chains management class, a practice exam posed a question as followed, "If ordercost increases how does it affect order quantity?" With answersA. IncreasesB. DecreasesC….

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In a survey, 200 people were asked to identify their major source of news information; 110 stated that their major source was television news.a. Construct a 95% confidence interval for the proportion of people in the population who consider television their major source of news information.b. Determine how large a sample would be necessary to estimate the population proportion with a margin of error of .05 at 95% confidence.In a survey, 200 people were asked to identify their major source ofnews information; 110 stated that their major source was televisionnews.a. Construct a 95% confidence interval for the proportion of people inthe population who consider television their major source of newsinformation.b. Determine how large a sample would be necessary to estimate thepopulation proportion with a margin of error of .05 at 95% confidence.

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In a survey done by the local Better Buy store, questions were asked of 300 households that actually purchased big-screen televisions. The table at left indicates the consumer’s responses to whether the television purchased was a plasma screen and whether they also purchased a DVR in the past 12 months.Q-1a: What is the probability that a randomly selected big-screen television purchase in this sample is a purchase of a plasma-screen television?

In a survey done by the local Better Buy store, questions were asked of 300 households that actually purchased big­screen televisions. The table at left indicates the consumer’s responses to…

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in a survey of 1385 adults, 1458 say they have started paying bills online in the past year. Contruct a 99% confidence interval for the population proportion. Interpret the results.

*A 99% confidence interval for the population proportion is [round to three decimal places as needed]:   (    ,    )

*Interpret the results. Choose the correct answer below.

a) With 99% confidence, it can be said that the population proportion of adults who say that they have started paying bills online in the last year is between the endpoint of the given confidence interval.

b) the endpoints of a given confidence interval show that adults pay bills online 99% of the time.

c) with 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpoint of the given confidence interval

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In a survey of 2889 adults, 1432 say they have started paying bills online in the last year.

Construct a 99% confidence interval for the population proportion. Interpret the results.

A 99% confidence interval for the population proportion is __, __

Interpret your results. Choose the correct answer below.

A.

Confidence interval for a population proportionSampleproportion0. 4957Lower limitUpper limit0. 47170. 51970.4585 0 .4685 0.4785 0 .4885 0 4985 0.5085 0.5185 0 .5285P

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