Mathematics, 12.03.2020 21:41 vale343

Mental Development Index (MDI): The Mental Development Index (MDI) of the Bayley Scales of Infant Development is a standardized measure used in observing infants over time. It is approximately normal with a mean of 100 and a standard deviation of 16. Round answers to 3 decimal places if needed. What proportion or percentage of children has an MDI of at least 120

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