If an experiment consists of five outcomes, with $P \left( Q _ { 1 } \right) =$ 0.10, $P \left( O _ { 2 } \right) =$ 0.10, $P \left( O _ { 3 } \right) =$ 0.30, $P \left( O _ { 4 } \right) =$ 0.25, then $P \left( O _ { 5 } \right)$ is:
A)0.75.
B)0.25.
C)0.20.
D)0.80.

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The Answer of If an experiment consists of five outcomes, with $P \left( Q _ { 1 } \right) =$ 0.10, $P \left( O _ { 2 } \right) =$ 0.10, $P \left( O _ { 3 } \right) =$ 0.30, $P \left( O _ { 4 } \right) =$ 0.25, then $P \left( O _ { 5 } \right)$ is:
A)0.75.
B)0.25.
C)0.20.
D)0.80.

If an Experiment Consists of Five Outcomes, With P(Q1)=P \left( Q _ { 1 } \right) =P(Q1​)=

If an Experiment Consists of Five Outcomes, With $P \left( Q _ { 1 } \right) =$