5) Abhasra invests $7,053 in a savings account with a fixed annual interest rate of
3% compounded quarterly. What
will the account balance be after 4 years?

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.