1. Andre drinks 15 ounces of water, which is 35% of a bottle. How much does the bottle hold?

Use for the number of ounces of water the bottle holds.

Equation:

Solution:

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Precalculus question, image attached.

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.