There are 13 apples in a basket 6 of these apples are green the rest of them are red. what is the ratio of all apples in the basket to red apples? what is the ratio of green apples to red?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

How do newtons third law of motion demonstrates on a rollar coster

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.