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arsen [322]
2 years ago
7

A single die is rolled twice. The 36​ equally-likely outcomes are shown to the right. Find the probability of getting A second n

umber that is less than the first number
Mathematics
1 answer:
Elenna [48]2 years ago
4 0

Answer:

<em>The probability of getting A second number that is less than the first number is</em>

<em></em>P(E) = \frac{15}{36} = 0.4166<em></em>

Step-by-step explanation:

<u>Step(i)</u>:-

Given a single die is rolled twice

In throwing a die , there are six exhaustive elementary  events

1 or 2 or 3 or 4 or 5 or 6.

The total number of exhaustive events = 6

Given data a single die is rolled two times = 6² = 36

<em>The total number of exhaustive cases n(S) = 36</em>

<u>Step(ii)</u>:-

<em>Let 'E' be the event of getting A second number that is less than the first number.</em>

<em>The required pairs are </em>

{(6,1),(6,2),(6,3),(6,4),(6,5),(5,4),(5,3),(5,2),(5,1),(4,3)(4,2),(4,1),(3,2),(3,1),(2,1)}

<em>The total number of favorable cases n(E) = 15</em>

<em>The required probability </em>

<em>   </em>P(E) = \frac{n(E)}{n(S)} = \frac{15}{36}<em></em>

<em><u>Conclusion:</u></em><em>-</em>

<em>The probability of getting A second number that is less than the first number is</em>

<em></em>P(E) = \frac{15}{36} = 0.4166<em></em>

<em></em>

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