Answer
P(mutation of the BRCA gene) = 1/400
P(develop breast cancer) = 6/10
P(mutation of the BRCA gene & develop breast cancer) = 1/400 x 6/10
= 6/4000 = 0.002.
The events are dependent
Work Step by Step
As given in answer
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 3 - Probability - Section 3.2 Conditional Probability and the Multiplication Rule - Exercises - Page 153: 21
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