300 high school students were asked how many hours of TV they watch per day. The mean was 2 hours, with a standard deviation of 0.5. Using a 90% confidence level, calculate the maximum error of estimate. 0.27%
5.66%
7.43%
4.75%

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

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

What is the average rate of change for this function for the interval from x=2 to x=4 ?