Low air pressure on a randomly chosen car

Assignment Help Applied Statistics

Reference no: EM13683751

Let X represent the number of tires with low air pressure on a randomly chosen car. Part 1 out of 2 a. Which of the three functions below is a possible probability mass function of X? x 0 1 2 3 4 p1(x) 0.1 0.3 0.3 0.4 0.4 p2(x) 0.1 0.2 0.4 0.2 0.1 p3(x) 0.1 0.1 0.2 0.2 0.2 p1(x) p2(x) p3(x)

1-
Part 2 out of 2
b. For the possible probability mass function, compute μX and σX2.

μX =

σX2 =

Reference no: EM13683751

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