An experiment consists of four outcomes with P(E₁) = 0.2, P(E₂) = 0.3, and P(E₃) = 0.4. The probability of outcome E₄ is A)0.500 B)0.024 C)0.100 D)0.900

Name: An experiment consists of four outcomes with P(E 1 ) = 0.2, P(E 2 ) = 0.3, and P(E 3 ) = 0.4. The probability of outcome E 4 is A)0.500 B)0.024 C)0.100 D)0.900
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Question

Quizplus · Accepted Answer

The sum of probabilities for all possible outcomes should be 1. 
0.2 + 0.3 + 0.4 = 0.9 
Therefore, the probability of the fourth possible outcome is: 
1 - 0.9 = 0.1

An Experiment Consists of Four Outcomes with P(E1) = 0

An Experiment Consists of Four Outcomes with P(E₁) = 0