1 gallon covers 350 sqft
350sqft * 2.5 gallons= 875 sqft
875sqft will be covered by 2.5 gallons.
First, lets figure out how many pencils we will need. so we can do that by 4 pencils x 28 children and we get 112. Then if there are 8 pencils in a package, we divide 112 by 8 and get 14
Answer:
they give us a sense of where a score falls in relation to the mean of its population (in terms of standard deviation of its population), 2) they allow us to compare scores from different distributions, and 3) they can be transformed into percentiles.
Step-by-step explanation:
1/2 × 1/2
1/4 or 25%
probability of tails both times