:john and carol have four grown sons. their heights (in inches) are 71, 75, 72, and 68. (a) list all 6 possible samples of size 2. (b) calculate the mean of each sample and display the sampling distribution of the sample mean using a dotplot. (c) calculate the range of each sample and display the sampling distribution of the sample range using a dotplot.

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.