How many words are in the vocabulary of a typical 5-year-old child? About 200 About 5000 About 1000 10,000 or more
Added by Terri M.
Close
Step 1
The question asks for the approximate number of words in the vocabulary of a typical 5-year-old child. The options given are about 200, about 5000, about 1000, and 10,000 or more. Show more…
Show all steps
Your feedback will help us improve your experience
Aparna Shakti and 94 other Psychology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
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
Narayan H.
The number of words in the active vocabulary of a three-year-old child is normally distributed with a mean of 3750 and a standard deviation of 425. a. What is the percentage of 3-year-olds that know more than 3000 words? b. What is the percentage that knows between 3500 and 4700 words? c. How many words should a child at the 30th percentile know? Please show work,
Supreeta N.
The number of words in the active vocabulary of children of a particular age is normally distributed with a mean of 3000 and a standard deviation of 500. Using the normal curve approximation rules, how many words would a child of this age have to know to be in the top 2%, the top 16%, and the top 98%? Illustrate your answer with a sketch. Explain your answers to a person who is familiar with mean, standard deviation, and Z-scores but not with normal curve percentages.
Jacob F.
Recommended Textbooks
Psychology Openstax
Myers' Psychology for AP
Psychology
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD