In a normal distribution, most numbers in the data set fall within one standard deviation of the mean. true or false

Can someone me i’m confused. will give brainliest and a whole bunch of points

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is