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Mara is playing a game. There are four
marbles in a bag, 3 purple and 1 orange. If
she chooses the purple marble, she will win
$10. If she chooses the orange marble, she
will win $200. What is the expected value of
Mara's winnings from the game?

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.)

Add the fractions and simplify 1/2+ 1/3

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?