A syllabus has the following grade scale 15% HW 60% Exams 25% Final You receive the following scores on the assignments 100% HW 84% Exam 1, 91% Exam 2, 74% Exam 3, 85% Exam 4 91% Final Calculate your final grade in the course if the lowest exam (except the final) is dropped. O 85.24 O 89.75 O 90.1 O 87.8

A syllabus has the following grade scale 15% HW 60% Exams 25% Final You receive the following scores on the assignments 100% HW 84% Exam 1, 91% Exam 2, 74% Exam 3, 85% Exam 4 91% Final Calculate your final grade in the course if the lowest exam (except the final) is dropped. O 85.24 O 89.75 O 90.1 O 87.8

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.7: Probability

Problem 54SE: Use the following scenario for the exercises that follow: In the game of Keno, a player starts by...

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Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 52. What is the percent chance that a player selects exactly 4 winning numbers?
Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 53. What is the percent chance that a player selects all 5 winning numbers?
Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 54. What is the percent chance of winning?
Use the following scenario for the exercises that follow: In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20 winning numbers are randomly selected from numbers 1 to 80. A win occurs if the player has correctly selected 3,4, or 5 of the 20 winning numbers. (Round all answers to the nearest hundredth of a percent.) 55. How much less is a player’s chance of selecting 3 winning numbers than the chance of selecting either 4 or 5 winning numbers?