$100 VO
2. Elena earns $100 in 4 hours. Write this statement as a rate.
or
4 hours 9
3. How much does Elena earn per hour?
To find the unit rate, start with the rate you
wrote in Exercise 2. Divide each term by the
denominator so that the denominator is 1.
1400 - 14
100 =
₃ 4
Elena earns
per
4. At this rate, how much money would Elena earn in 16 hours?
To find an equivalent rate, start with the unit rate,
X 16
which is the amount Elena made in 1 hour.

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