An experiment consists on tossing a coin three times and counting the number of tails obtained. The coin is not necessarily a fair coin. The random variable X represents the number of tails, and it has probability function X 0 f(x) 1 1 12 125 125 125 64 a. What is f(3)? 125 61 b. What is F(2)? 125 c. What is F(1.5)? 2 3 48 OF ?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 39E: Assume that the probability that an airplane engine will fail during a torture test is 12and that...
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An experiment consists on tossing a coin three times
and counting the number of tails obtained. The coin
is not necessarily a fair coin. The random variable X
represents the number of tails, and it has probability
function
X
0
f(x) 1
1
12
125 125 125
64
a. What is f(3)? 125
61
b. What is F(2)? 125
c. What is F(1.5)?
2 3
48
OF
OF
?
Transcribed Image Text:An experiment consists on tossing a coin three times and counting the number of tails obtained. The coin is not necessarily a fair coin. The random variable X represents the number of tails, and it has probability function X 0 f(x) 1 1 12 125 125 125 64 a. What is f(3)? 125 61 b. What is F(2)? 125 c. What is F(1.5)? 2 3 48 OF OF ?
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