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8. Two dices are rolled, find the probability of getting: a. A sum of 6 or 8, b. A sum greater than 8 or less than 3.

8. Two dices are rolled, find the probability of getting: a. A sum of 6 or 8, b. A sum greater than 8 or less than 3.

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 7CC
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%EY ll. 19 . 团 2 HW4.pdf > owns neither a car nor a computer? 8. Two dices are rolled, find the probability of getting: a. A sum of 6 or 8, b. A sum greater than 8 or less than 3. 9. A person owns a collection of 30 CDs, of which 5 are music. If 2 CDs are selected at random, find the probability that both are music. 10. A box contains black chips and white chips. A person selects two chips without replacement. If the probability of selecting a black chip and a white chip is 15/56, and the probability of selecting a black chip on the first draw is 3/8, find the probability of selecting the white chip on the second draw, given that the first chip selecting was a black chip. 11. A bicycle shop owner has 12 mountain bicycles in the showroom. The owner wishes to select 5 of them to display at a bicycle show. How many different ways a group of 5 be selected. 12. A store manager wishes to display 8 different brands of shampoo in a row. How many ways can this be done. 13. A box contains 24 transistors, 4 of which are defective. If 4 are sold at random, find the following probabilities: a. Exactly 2 are defective, b. none is defective, c. all are defective, d. at least 1 is defective. 14. A corporation has three methods of training employees. Because of time, space and location, it sends 20% of its employees to location A, 35% to location B and 45% to location C. Location A has an 80% success rate. That is, 80% of the employees who complete the course will pass the licensing exam. Location B has a 75% success rate, and location C has a 60% success :::
Transcribed Image Text:%EY ll. 19 . 团 2 HW4.pdf > owns neither a car nor a computer? 8. Two dices are rolled, find the probability of getting: a. A sum of 6 or 8, b. A sum greater than 8 or less than 3. 9. A person owns a collection of 30 CDs, of which 5 are music. If 2 CDs are selected at random, find the probability that both are music. 10. A box contains black chips and white chips. A person selects two chips without replacement. If the probability of selecting a black chip and a white chip is 15/56, and the probability of selecting a black chip on the first draw is 3/8, find the probability of selecting the white chip on the second draw, given that the first chip selecting was a black chip. 11. A bicycle shop owner has 12 mountain bicycles in the showroom. The owner wishes to select 5 of them to display at a bicycle show. How many different ways a group of 5 be selected. 12. A store manager wishes to display 8 different brands of shampoo in a row. How many ways can this be done. 13. A box contains 24 transistors, 4 of which are defective. If 4 are sold at random, find the following probabilities: a. Exactly 2 are defective, b. none is defective, c. all are defective, d. at least 1 is defective. 14. A corporation has three methods of training employees. Because of time, space and location, it sends 20% of its employees to location A, 35% to location B and 45% to location C. Location A has an 80% success rate. That is, 80% of the employees who complete the course will pass the licensing exam. Location B has a 75% success rate, and location C has a 60% success :::
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