- 7. A class has 30 students. If there are 20 boiys and two students are selected at randomcalculate the probability thatone is a girl and one is a boym no giris are selected

From the provided information, Total students = 30 Total boys = 20

Answered: A class has 30 students. If there are…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A class has 30 students. If there are 20 boys and two students are selected at random calculate the probability that O one is a girl and one is a boy. 0 no girls are selected.