4.55 Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions. School Elementary Middle High Fear .12 .08 .05 Do not fear .28 .25 22 For a student selected at random, consider the events [Fear] M = [Middle school] A = a. Find the probabilities P(A) Р(M) P(AM) P(AUM) b. Are A and M independent?
4.55 Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions. School Elementary Middle High Fear .12 .08 .05 Do not fear .28 .25 22 For a student selected at random, consider the events [Fear] M = [Middle school] A = a. Find the probabilities P(A) Р(M) P(AM) P(AUM) b. Are A and M independent?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![4.55 Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions.
School
Elementary Middle High
Fear
.12
.08
.05
Do not fear
.28
.25
.22
For a student selected at random, consider the events
A = [Fear]
M = [Middle school]
a. Find the probabilities
P(A)
Р(М)
P(AM)
P(AU M)
b. Are A and M independent?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad35cd49-88f1-4759-9e4c-232c0c792d3e%2F11a01693-c75c-433d-8fa0-c52d96687d3c%2Fkc21eiyx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:4.55 Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions.
School
Elementary Middle High
Fear
.12
.08
.05
Do not fear
.28
.25
.22
For a student selected at random, consider the events
A = [Fear]
M = [Middle school]
a. Find the probabilities
P(A)
Р(М)
P(AM)
P(AU M)
b. Are A and M independent?
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