Example: For every 1 CD player sold at the electronic store, there were 4 MP3 players sold. Represent a ratio table of the number of CD players sold to MP3 players sold. The ratio of CD players sold to MP3 players sold is 1:4 or 14, start with this ratio in the table.
Step one: Find the ratios of CD players sold to MP3 players sold.
The ratio of CD players sold to MP3 players sold ___1:___4
The ratio as a fraction is 14.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain