Ajuice shop owner wants to know the average amount of juice his staff puts into each glass. a sample of 50 glasses was found to have an average (mean) of 245 ml. if the known standard deviation of the amount of juice in each glass is 4 ml for the entire population, what is the margin of error of the sample mean?

a)1.13 ml
b)1.24 ml
c)1.35 ml
d)1.49 ml

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

W-16=-12 solve each one step equation plz