Giving a test to a group of students, results are summarized in the table.   A B C Total Senior 19 5 18 42 Junior 8 17 7 32 Total 27 22 25 74 If one student was chosen at random, find the probability that the student got an A or a B on the test. Write your answer as a reduced fraction or whole number. P(A or B) = ?

John runs a computer software store. He counted 124 people who walked by his store in a day, 52 of whom came into the store. Of the 52, only 21 bought something in the store. Estimate the probability that a person who walks by the store will enter the store. Round your answer to the nearest hundredth. Group of answer choices 0.59 0.25 0.42 0.17 none of these choices

You randomly select one card from a 52-card deck. Find the probability of selecting: an ace or а 9? 13 2 13 10 5 13

What is the probability that a student selected randomly is a Democrat or a Republican? Do not write the "%" in your answer. Round the answer to the nearest percentage. Totals Republican Independent Democrat 98 68 15 15 Preferred Obama 142 12 25 Preferred McCain 105 240 80 40 Totals 120