There are seven nickels and five dimes in your pocket. three times, you randomly pick a coin out of your pocket, return it to your pocket, and then mix-up the change in your pocket. all three times, the coin is a nickel. find the probability of this occuring.

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Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

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