HEREDITY
BASICS OF PROBABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If a letter is chosen at random from the word PERSEVERANCE, what is the probability that the letter chosen is E?
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1/8
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1/3
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1/4
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1/2
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Explanation:
Detailed explanation-1: -Expert-Verified Answer. The answer to number 3 is 4 by 12 or 1 by 3.
Detailed explanation-2: -Expert-Verified Answer The probabilities would be 4/11 and 7/11 respectively.
Detailed explanation-3: -The probability is the ratio of the number of times the selected letter appears in the word to the total number of letters in that word.
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").
Detailed explanation-5: -Hence, the required probability is 21/26. Q. A letter of English alphabets is chosen at random.
There is 1 question to complete.