HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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1/3
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2/3
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0
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1
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Detailed explanation-1: -Explanation: There are 3 equally likely possibilities; red, white and blue. Therefore the chances of it not being blue are the same as the chances of it being red + the chance that it will be white.
Detailed explanation-2: -The probability of spinning a 2 is 2 / 8 . The probability of spinning a 3 is also 2 / 8 .
Detailed explanation-3: -Solution: The chances of landing on blue are 1 in 4, or one fourth. The chances of landing on red are 1 in 4, or one fourth. This problem asked us to find some probabilities involving a spinner. Let’s look at some definitions and examples from the problem above.
Detailed explanation-4: -To calculate a spinner probability divide the number of sections that the item appears in by the total number of sections.