HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Rolling a pair of dice, find P(sum is 7 or 11).
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50%
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16%
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17%
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22%
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Explanation:
Detailed explanation-1: -The probability of both outcomes is equal i.e. 50% or 1/2. So, the probability of an event is Favorable outcomes/Total number of outcomes. It is denoted with the parenthesis i.e. P(Event). What is Sample Space?
Detailed explanation-2: -Out of these 36 there are 8 that add up to either 7 or 11, so the chance of rolling a 7 or 11 is 8/36 = 2/9.
Detailed explanation-3: -When two dices are rolled, there are six possibilities of rolling a sum of 7 . and two possibilities of rolling a sum of 11 .
There is 1 question to complete.