What is the smallest?
70%, 3/4, 0.6, 2/3

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work