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Category: Discrete Random Variables

An interesting relationship between two discrete random variables associated with a die

1

2

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Posted on April 16, 2018Categories Discrete Random VariablesLeave a comment on An interesting relationship between two discrete random variables associated with a die

Using GC to calculate Expectation and Variance of Discrete Random Variable

Example 1

question

Solution

Enter the data in the GC as follows:

1

2

3result

result 1

Variance can also calculated using the GC as follows:

a

b

c

Example 2

RI 18 J2 MYE 13i

IMG_7422

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Posted on July 9, 2017September 20, 2019Categories Discrete Random Variables, Statistics, TI 84 Plus techniquesLeave a comment on Using GC to calculate Expectation and Variance of Discrete Random Variable
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