Express the following to the indicated unit: Choose any 3 numbers for your week 1 activity... Show your computation. 1.) 8 feet = ___ yards
2.) 9.3 pounds = ___ kg
3.) 72 inches = ___ feet
4.) 4 miles = ___ yards
5.) 8 yards = ___ feet

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.