Respuesta :
Answer:
X outcome1 outcome 2 outcome 3
0 F F F
1 S F F
F S F
F F S
2 S S F
F S S
S F S
3 S S S
Step-by-step explanation:
For this case we define the random variable X as the the number of beams among the three selected that failed by shear (S).
The sample space is defined as the total possible outcomes for an event.
And we know that we have two types of beams S and F. So then the possible values for X are 0,1,2. And we can create the following table with the possible outcomes;
X outcome1 outcome 2 outcome 3
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0 F F F
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1 S F F
F S F
F F S
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2 S S F
F S S
S F S
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3 S S S
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