. Let S be the random variable that represents the number of sixes obtained with a dice is rolled three times. i. Tabulate the probability distribution for S. ii. Find the expected value of S. b. The random variable X has the probability distribution shown.   i. Find the value of c. ii. Find ?(? ≥ 4).

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter6: Fractions
Section6.1: Simplifying Fractions
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a. Let S be the random variable that represents the number of sixes obtained with a dice is rolled three times. i. Tabulate the probability distribution for S.
ii. Find the expected value of S.
b. The random variable X has the probability distribution shown.
 
i. Find the value of c. ii. Find ?(? ≥ 4).
Х
P(X=x)
1
7c
2
5c
3
4c
4
Зc
S
C
Transcribed Image Text:Х P(X=x) 1 7c 2 5c 3 4c 4 Зc S C
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