Suppose a random sample of 1,087 eighth graders found that 570 of them drank two or more caffeinated drinks a day. (a) State the 96% confidence interval. Round to four decimal places. (b) Interpret the 96% confidence interval. (c) Is there evidence to suggest that greater than 50% of eighth graders drink two or more caffeinated drinks in a day at the 5% level of significance?

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expression 4s+9s represents the total number of items that will be displayed on s shelves. simplify the expression

Which graph represents the given linear function 4x+2y=3