In the experiment of tossing two fair coins, let the random event be two 'Tail' events, and the random event B be at least one 'Tail' event. Which of the following statements about random events A and B is false? 1. AnB = {YY} II. AUB={YY,YT,TY} III. A-B = {YY,YT IV. B-A={YT,TY} O a) only I OB) IV only O NS) only I OD) I and IV
In the experiment of tossing two fair coins, let the random event be two 'Tail' events, and the random event B be at least one 'Tail' event. Which of the following statements about random events A and B is false? 1. AnB = {YY} II. AUB={YY,YT,TY} III. A-B = {YY,YT IV. B-A={YT,TY} O a) only I OB) IV only O NS) only I OD) I and IV
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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Transcribed Image Text:In the experiment of tossing two fair coins, let the random event be two 'Tail' events, and the random event B be at least one 'Tail' event. Which of the following statements about
random events A and B is false?
I. AnB={YY}
13 -
II. AUB={YY,YT,TY}
III. A-B = {YY,YT}
IV. B- A = {YT,TY}
a) only III
O B) IV only
NS) only I
OD) II and IV
TO) only II
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