Statistical techniques in business and economics 16th edition lind solutions manual 1

Page 1

Chapter 06 - Discrete Probability Distributions

Solution Manual for Statistical Techniques in Business and Economics 16th Edition Lind Marchal Wathen 9780078020520 Full download link at: Solution manual: https://testbankpack.com/p/solution-manual-for-statisticaltechniques-in-business-and-economics-16th-edition-lind-marchal-wathen9780078020520/

Chapter 6 Discrete Probability Distributions 1.

Mean = 1.3 Variance = 0.81 found by:    XP( X )  0(.20)  1(.40)  2(.30)  3(.10)  1.3

 2  ( X   ) 2 P ( X )  (0  1.3)2 (0.2)  (1  1.3) 2 (0.4)  (2  1.3) 2 (0.3)  (3  1.3) 2 (0.1)  0.81 (LO6-3) 2.

Mean = 5.4 Variance = 12.04 found by:    XP( X )  2(.5)  8(.3)  10(.2)  5.4

 2  ( X   ) 2 P ( X )

(LO6-3)

 (2  5.4) (.5)  (8  5.4) (.3)  (10  5.4) (.2)  12.04 2

2

2

3.

 = 14.5, 5(.1)  10(.3)  15(.2)  20(.4)  14.5 Variance = 27.25 2 2 2 2   (5  14.5) (.1)  (10  14.5) (.3)  (15  14.5) (.2)  (20  14.5)2 (.4)  27.25 (LO6-3)

4.

a. b. c. d. e. f.

5.

a.

Discrete Continuous Discrete Continuous Discrete Continuous (LO6-2)

Number of Calls Probability 0 0.16 1 0.20 2 0.44 3 0.18 4 0.02

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