The ages of a group of 139 randomly selected adult females have a standard deviation of 16.6 years. assume that the ages of female statistics students have less variation than ages of females in the general population, so let sigmaequals16.6 years for the sample size calculation. how many female statistics student ages must be obtained in order to estimate the mean age of all female statistics students? assume that we want 90% confidence that the sample mean is within one-half year of the population mean. does it seem reasonable to assume that the ages of female statistics students have less variation than ages of females in the general population?

Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset