HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?
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2/7
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5/49
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5/7
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10/49
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Explanation:
Detailed explanation-1: -Answer: The Answer is 2/7. Step-by-step explanation: Explore all similar answers.
Detailed explanation-2: -The word mathematics has 11 letters of which there are 2 A’s and 2 T’s. So the probability of choosing an A or T at random is 4/11.
Detailed explanation-3: -Therefore in 72 ways the letters of the word ‘ALGEBRA’ are arranged without changing the order of vowels and consonants. So, the correct answer is “72 ways”.
Detailed explanation-4: -One of the questions, “What is the probability of choosing the letter i from the word probability?” has the answer 2/9 (following logic of having a sample set of 9 letters in “probability").
There is 1 question to complete.