A random sample of 100 students attending a concert spent an average of $142 on their tickets with a standard deviation of $47.50. Calculate the 90%, 95%, and 99% confidence intervals for the mean amount of money spent by all students attending ..

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MBA 5652  Unit IV Discussion Board Question And Unit IV Assessment

 

MBA 5652  Unit IV DQ

 

Explain each term and provide a corresponding, real-world example to demonstrate your understanding.

·         Sample

·         Sample distribution

·         Sampling distribution

 

MBA 5652  Unit IV Assessment

 

Question 1

A random sample of 100 students attending a concert spent an average of $142 on their tickets with a standard deviation of $47.50.

Calculate the 90%, 95%, and 99% confidence intervals for the mean amount of money spent by all students attending the concert. Interpret your response within the context of the situation. Refer to Chapter 17, pp. 427-430 on calculating confidence intervals. Click here for Table A.2 from the appendix.

 

Your response should be at least 100 words in length, unless otherwise specified. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

 

(Table A.2 Link) Area Under the Normal Curve

 

 

https:/ /online.columbiasouthern.edu/CSU_Content/Courses/Business/MBA/MBA5652/14L/AppendixTableA2.pdf

 

 

Question 2

Keri is the owner of a new restaurant in the downtown area of her hometown. To continuously improve service, she would like to know if completed dishes are being delivered to the customer’s table within one minute of being completed by the chef. A random sample of 75 completed dishes showed that 60 were delivered within one minute of completion.

Calculate the 90%, 95%, and 99% confidence interval for the true population proportion. Interpret your response within the context of the situation. Refer to Chapter 17, pp. 427-430 on calculating confidence intervals. click here for Table A.2 from the appendix.

 

Your response should be at least 100 words in length, unless otherwise specified. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

 

(Table A.2 Link) Area Under the Normal Curve

 

https:/ /online.columbiasouthern.edu/CSU_Content/Courses/Business/MBA/MBA5652/14L/AppendixTableA2 .pdf

 

 

 

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