d) If there are 4 people in this room, then the probability that there are at least two people here whose social security number ends in the same digit is 50.4%. (Assuming that all digits in a social security number are equally likely.) e) If P(E) = .2 and P(F|E) = .4 and P(F) =.1, then P(E|F) = .2. IMG 0579.jpg

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.9: Independent And Dependent Events
Problem 3C
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d) If there are 4 people in this room, then the probability that there are at least two people
here whose social security number ends in the same digit is 50.4%. (Assuming that all
digits in a social security number are equally likely.)
e) If P(E) = .2 and P(F|E) = .4 and P(F) =.1, then P(E|F) = .2.
IMG 0579.jpg
Transcribed Image Text:d) If there are 4 people in this room, then the probability that there are at least two people here whose social security number ends in the same digit is 50.4%. (Assuming that all digits in a social security number are equally likely.) e) If P(E) = .2 and P(F|E) = .4 and P(F) =.1, then P(E|F) = .2. IMG 0579.jpg
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