# Probability

Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions: (see attachment for full question).

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#### Solution Summary

PROBLEM 2

Records of student patients at a dentist's office concerning fear of visiting the dentist suggest the following proportions.

School

Elementary Middle High

Fear 0.12 0.08 0.05

Do not fear 0.28 0.25 0.22

For a student selected at random, consider the events

A= (fear), M= (middle school)

(a) Find the probabilities

P(A), P(AM)

P(M), P(A M)

(b) Are A and M independent?

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