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Question 655677: Find the probablity of selecting 3 science books and 4 math books from 8 science books and 9 math books. The books are selected at random. Thank You God Bless …

A student is taking two courses, history and math. The probability the student will pass the history course is .60, and the probability of passing the math course is .70.

Math expectation of winning in lottery problems Problem 1 In a certain lottery, three numbered balls are randomly drawn from a large basket without replacement. To win, a player's ticket …

Question 1029894: Of students entering a certain private college, 27% require a developmental math course and 34% require a developmental English course, while 11% need both a …

Answers archive Click here to see ALL problems on Probability-and-statistics Question 1131715: : In a college 25% of students have failed their Math 15% failed Chemistry and 10% failed both …

Question 1172763: If the probability of a student taking a math class is 0.70, the probability of taking a physics class is 0.30, and the probability of taking a math class and a physics class is …

Question 1010051: Suppose a math class contains 33 students, 19 females (three of whom speak French) and 14 males (three of whom speak French). Compute the probability that a randomly …

Question 737642: 4 different math books, 6 different physics books and 2 different chemistry books are to be arranged on a shelf. How many different arrangements are possible if a) The …