Using the equation: d=r*t where:
d = distance traveled
r=rate (speed, velocity)
t = time
If you have to fly from JFK airport in New York to LAX airport in Los Angeles, you will fly 2,475 miles. If
the average amount of time for a plane to fly from JFK to LAX is 5 hours and 30 minutes, what is the
average speed that a plane flies on this trip? Include the appropriate units. Show calculations and clearly

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