Let X represent the number of tires with low air pressure on a randomly chosen car. a.
Question:
a. Which of the three functions below is a possible probability mass function of X? Explain.
b. For the possible probability mass function, compute μX and Ï2X.
Transcribed Image Text:
х 2 4 0.1 0.2 0.2 0.1 0.1 0.2 0.3 0.3 0.3 0.1 0.2 0.1 P1(x) P2(x) Р:(х) 0.2 0.4 0.2 3.
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