Mathematics, 15.07.2020 02:01 Fiwui
Let represent the number of tires with low air pressure on a randomly chosen car. The probability distribution of is as follows.
x 0 1 2 3 4
P(x) 0.2 0.3 0.1 0.1 0.3
Requried:
a. Find P(3)
b. Find P( Greater than or equal to 3).
c. Find the probability that all four tires have low air pressure.
d. Find the probability that no tires have low air pressure.
e. Compute the mean µX.
f. Compute the standard deviation σX.
Answers: 1
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