A statistician read that at least 77% of the population oppose replacing $1 bills with $1 coins. To see if the chain is valid, the statistician selected a sample of 80 people and found that 55 were opposed to replacing the $1 bills. At a= 0.01, test the claim that at least 77% of the population are opposed to the change.

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.

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