Need statistics help with Business Analytics at Kaplan University

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GB513_u2rubric.pdf


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Unit 2 [GB513: Business Analytics] Assignment Make sure to use the Unit 2 Assignment template from Doc Sharing when you turn in your answers. Using the template is part of your grading rubric. You should not use Excel or any automated probability calculators for this Assignment. All of the questions below should be calculated manually using the methodology in the readings. Question 1 An Adweek Media/Harris Poll revealed that 44% of U.S. adults in the 18–34 year age category think that “Made in America” ads boost sales. A different Harris Interactive poll showed that 78% of U.S. adults in the 18–34 year age category use social media online. Suppose that 85% of U.S. adults in the 18–34 year age category think that “Made in America” ads boost sales or use social media online. If a U.S. adult in the 18–34 year age category is randomly selected, a. What is the probability that the person both thinks that “Made in America” ads boost sales and uses social media online? b. What is the probability that the person thinks that “Made in America” ads boost sales but do not use social media online? Question 2 According to a report by Scarborough Research, the average monthly household cellular phone bill is $73. Suppose local monthly household cell phone bills are normally distributed with a standard deviation of $11.35. a. What is the probability that a randomly selected monthly cell phone bill is less than $100? b. What is the probability that a randomly selected monthly cell phone bill is between $70 and $90? Question 3 A Travel Weekly International Air Transport Association survey asked business travelers about the purpose for their most recent business trip. Nineteen percent responded that it was for an internal company visit. Suppose 950 business travelers are randomly selected. a. What is the probability that more than 25% of the business travelers say that the reason for their most recent business trip was an internal company visit? b. What is the probability that between 15% and 20% of the business travelers say that the reason for their most recent business trip was an internal company visit? Submit your Assignment to the unit Dropbox. 1 Unit 2 [GB513: Business Analytics] Grading Rubric Your Assignment will be graded based on the following breakdown. Unit 2 Assignment Criteria Points Possible Points Earned Question 1a Probability that a randomly selected U.S. adult between 18–34 years of age thinks that “Made in America” ads boost sales and uses social media online. 7 Question 1b Probability that a randomly selected U.S. adult between 18–34 years of age thinks that “Made in America” ads boost sales and does not use social media online. 8 Question 2a Probability that a randomly selected monthly cell phone bill is less than $100. 7 Question 2b Probability that a randomly selected monthly cell phone bill is between $70–$90. 8 Question 3a Probability that more than 20% of the business travelers say that the reason for their most recent business trip was an internal company visit. 7 Question 3b Probability that between 15% and 20% of the business travelers say that the reason for their most recent business trip was an internal company visit. 8 Properly completed assignment template. 5 Total 50 2
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