Darla and her friend penny left their office at the same time and began traveling down the same road in the same direction. Darla traveled at a speed of 65mph while penny drove at 70mph. How many hours was it before penny was 5 miles ahead of darla?

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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

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