Marge has saved $350 toward the cost
of her vacation. the vacation will cost
$1,750. what percent of the cost of the
vacation has marge saved?
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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.