I need help with this rn this is due tonight. please don't put those fake links

When the ball has traveled a distance of

Which one is true about the hexagons ?

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.