How small could our sample size be and still guarantee normality? In other words, how small can n be and still have np>10 and n(1-p)>10?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?