Juwad picked 30 bags of apples on Monday and sold them at his fruit stand for $3.45 each. the following week he picked and sold 26bags I do not understand this problem

Which statements regarding efg are true? check all that apply.

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.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.