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An index that is a standardized measure used in observing infants over time is approximately normal...

An index that is a standardized measure used in observing infants over time is approximately normal with a mean of 93 and a standard deviation of 12. Answer the questions below. Click here to view page 1 of the standard normal table.LOADING... Click here to view page 2 of the standard normal table.LOADING... a. What proportion of children have an index of​ (i) at least 113​? ​(ii) at least 70​?

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