If applicable, please use Probability of Mutually Exclusive and Not Mutually Exclusive Events as reference when answering. Thanks!See attached. At a particular Junior High School, the number of students in the fourgrade levels are broken down by percent, as shown in the table:ClassPercentGrade 73126Grade 825Grade 918Grade 10A single student is picked randomly by lottery for a cash assistance tobe given due to COVID-19.a. What is the probability that the student selected for the cashassistance is a grade 7, a grade 8 or a grade 9?b. Is the process of selecting a recipient for the cash assistance fair? Whyor why not?c. Can you suggest another way of selecting the recipient for the cashassistance?

Mutually exclusive events are important concepts of probability.

A single student is picked randomly by lottery for a cash assistance to be given due to COVID-19. a. What is the probability that the student selected for the cash assistance is a grade 7, a grade 8 or a grade 9? b. Is the process of selecting a recipient for the cash assistance fair? Why or why not? c. Can you suggest another way of selecting the recipient for the cash assistance?

A single student is picked randomly by lottery for a cash assistance to be given due to COVID-19. a. What is the probability that the student selected for the cash assistance is a grade 7, a grade 8 or a grade 9? b. Is the process of selecting a recipient for the cash assistance fair? Why or why not? c. Can you suggest another way of selecting the recipient for the cash assistance?

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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Question

If applicable, please use Probability of Mutually Exclusive and Not Mutually Exclusive Events as reference when answering. Thanks!

See attached.

At a particular Junior High School, the number of students in the four
grade levels are broken down by percent, as shown in the table:
Class
Percent
Grade 7
31
26
Grade 8
25
Grade 9
18
Grade 10
A single student is picked randomly by lottery for a cash assistance to
be given due to COVID-19.
a. What is the probability that the student selected for the cash
assistance is a grade 7, a grade 8 or a grade 9?
b. Is the process of selecting a recipient for the cash assistance fair? Why
or why not?
c. Can you suggest another way of selecting the recipient for the cash
assistance?

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