By age 3, children typically have a vocabulary of about 1000 words. By age 6, they typically have a vocabulary of _____________ words. Group of answer choices A. 1,000,000 B. 2000 C. 15,000
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Aparna S.
The number of words in the active vocabulary of children of a particular age is normally distributed with a mean of 3,000 and a variance of 250,000. What is the minimum number of words the child would have to know to be in the top 84%? A. 2,500 B. 2,000 C. 258,000 D. 3,500
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