Nine airlines are selected at random. For each airline, we record the current fee for checking a single bag. The average for these 9 airlines is Nine airlines are selected at random. For each air = $25. Assume that the current fee follows a normal distribution with unknown mean ? and standard deviation ? = $6. A 90%

i have no clue what you just said. write a question in english?

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.