Which of the following are true; 1. The probability that 5 red balls are drawn are 2. The number of drawn blue balls is a random variable with a binomial distribution. 6 6 3. The probability that the two first balls drawn are red is given by P(R, N R2) = 13 13 4. The probability that the first ball is red, the second ball is blue and the third ball is red 6 7 5 is given by P(R, n B2 N R3) : 13 12 11

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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Suppose that 5 balls are drawn, without replacement, from an urn containing 6 red balls and 7 blue balls. 

Let Ri, i =1,...5, regard the event that ball number i drawn ball is red and Bi = Ric regard the event that ball number i is blue.

 

 

Which of the following are true;
1. The probability that 5 red balls are drawn are
2. The number of drawn blue balls is a random variable with a binomial distribution.
6.
3. The probability that the two first balls drawn are red is given by P(R, N R2)
%3D
13 13
4. The probability that the first ball is red, the second ball is blue and the third ball is red
6 7 5
is given by P(R1 0 B2 n R3)
13
12
11
Transcribed Image Text:Which of the following are true; 1. The probability that 5 red balls are drawn are 2. The number of drawn blue balls is a random variable with a binomial distribution. 6. 3. The probability that the two first balls drawn are red is given by P(R, N R2) %3D 13 13 4. The probability that the first ball is red, the second ball is blue and the third ball is red 6 7 5 is given by P(R1 0 B2 n R3) 13 12 11
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