Find the odds for and the odds against the event rolling a fair die and getting a 1, a 4,or a 5

Odds for = Odds against = 1/2

Step-by-step explanation:

In a fair die, we have {1, 2, 3, 4, 5, 6} and

{1, 4, 5} and {2, 3, 6} constitute the entire sample space.

So, Probability of getting a 1 or a 4 or a 5

= Probability of getting a 1 +

Probability of getting a 4 +

Probability of getting a 5

=

=

Therefore, Odds for 1 or 4 or 5 = .

Since, Probability of getting a number between 1 and 6 is 1 and Probability of getting a number from 2 or 3 or 6 = , we have:

Probability of not getting a 1 or 4 or 5 = 1 -

=

Hence, odds for and odds against =

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step-by-step explanation:

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