A consumer report counted 72 low-quality, 112 medium-quality, and 711 high-quality computers based on a random sample. The repor
t went on to say that all computers, regardless of quality, are packaged identically and sold at the same price. Use the observed frequencies to create a probability model for the quality of the next computer purchased.
Input your answers as fractions or as decimals rounded to the nearest hundredth.
