Three families went to an amusement park together. The number of people in each
family is listed in the table.
Family Adults Children Seniors
McGraw 2 3 1
Churchill 1 2 2
Sanchez 2 1 1
Write an expression in simplest form to
show how much it costs all adults, children,
and seniors from the three families to
attend the amusement park when
a is the

cost of an adult ticket,

c is the cost of a

child ticket, and

s is the cost of a senior

ticket.

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)