Two unbaised dice are rolled at random. Let X denote the sum of the points observed...

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Two unbaised dice are rolled at random. Let X denote the sum of the points observed...

Two unbaised dice are rolled at random. Let X denote the sum of the points observed on the uppermost faces of which second face shows 4. Describe the values of X

math Statistics-And-Probability

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Answer 1

Answer #1

When two dice are rolled the sample space is :

1 2 3 4 1 (1,1) (21) (31) (41) (5,1) (6, 1) 2 (12) (22) (3,2) (4.2) (5, 2) (6.2) 3 (13) (2,3) (33) (4,3) (5, 3) (63) 4 (14) (

Let X denote the sum of the points observed on the uppermost faces of which second face shows 4.

Therefore, the possible values of X are:

Points on dice	(1,4)	(2,4)	(3,4)	(4,4)	(5,4)	(6,4)
X	1+4=5	2+4=6	7	8	9	10

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Answer 2

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