Opinion-polling organizations contact their respondents by sampling random telephone numbers. although interviewers can reach about 67% of households, the percentage of those contacted who agree to cooperate with the survey is only 39%. each household is independent of the others. a) what is the probability that the next house will be contacted and refuse to cooperate? b) what is the probability of failing to contact a house, or making contact and not getting them to agree to the interview? c) show the reasonable ways to calculate the probability in part b.

What is the solution to the equation 9^(x+1) =27

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

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