Edward is part of a bird watching club and keeps track of the robins in a local park. To do so, he puts tags on 20 robins and releases them. Later, he catches 120 robins; 12 robins were tagged. What is the best estimate for the robin's population?a)72robinsb)128robinsc)1 52robinsd)200robins

For each expression use a property to write an equivalent expression.

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497