MAT 116 Final Exam

  In this pack of MAT 116 Entire Course you will find the next docs: MAT 116 Assignment Expressions and Equations.doc
MAT 116 Assignment Functions and their Graphs.doc
MAT 116 Assignment Solving Inequalities and Graphing Equations.doc
MAT 116 Assignment Systems of Equations and Inequalities.doc
MAT 116 Final Exam.zip
MAT 116 Week 1 and 2 Quiz A.pdf
MAT 116 Week 1 and 2 Quiz B.pdf
MAT 116 Week 1 DQs.doc
MAT 116 Week 2 Exercise Concept Check.doc
MAT 116 Week 3 and 4 Quiz A.pdf
MAT 116 Week 3 and 4 Quiz B.pdf
MAT 116 Week 3 DQs.doc
MAT 116 Week 4 Exercise Concept Check.doc
MAT 116 Week 5 and 6 Quiz A.pdf
MAT 116 Week 5 and 6 Quiz B.pdf
MAT 116 Week 5 DQs.doc
MAT 116 Week 6 Exercise Concept Check.doc
MAT 116 Week 7 and 8 Quiz A.pdf
MAT 116 Week 7 and 8 Quiz B.pdf
MAT 116 Week 7 DQs.doc
MAT 116 Week 8 Exercise Concept Check.doc
Mathematics - Statistics
 1.  Consider the following age data, which is the result of selecting a random sample of 20 United Airlines pilots.

   47  45  45  52  58  55  58  44  42  38
   45  52  48  47  51  45  52  42  37  40

 a. Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, Max for the above sample data on age of pilots.
 b. In the context of this situation, interpret the Median, Q1, and Q3.

 2. Consider the following data on customers at an office supply store. These customers are categorized by their previous volume purchases and their age.








 20's



 30's



 40's



 50 or older



 Total





 New Customer



 513



 285



 1,228



 100



 2,126





 Low Volume



 417



 139



 2,578



 215



 3,349





 Mid Volume



 250



 451



 7,859



 801



 9,361





 High Volume



 100



 615



 6,525



 994



 8,234





 Total



 1,280



 1,490



 18,190



 2,110



 23,070







 If you choose one customer at random, then find the probability that the customer

 a. is a new customer.
 b. is a high volume customer and is in the 40's.
 c. is in the 20's, given that the customer is low volume.

 3.  A source in the Internal Revenue Service has stated that historically 90% of federal tax returns filed are free of arithmetic errors.  A random sample of 25 returns are selected and checked carefully for arithmetic errors.  Assuming independence, find the probability that

 a. all 25 returns are free of arithmetic errors.
 b. at most 23 returns are free of arithmetic errors.
 c. more than 17 are free of arithmetic errors. (Points : 18)

 4. The Federal Government is stepping up efforts to reduce average response times of fire departments to fire calls. The distribution of mean response times to fire calls follows a normal distribution with a mean of 12.8 minutes and a standard deviation of 3.7 minutes.

 a. Find the probability that a randomly selected response time is less than 15 minutes.
 b. Find the probability that a randomly selected response time is between 13 minutes and 15 minutes.
 c. The fastest 20% of fire departments will be singled out for a special safety award. How fast must a fire department be in order to qualify for the special safety award?

 5.   A new brand of laptop battery is produced by ZELCO. The company clai

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